Deck 1: Invitation to Biology

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سؤال
Which of the following represents the most correct order of the organization of life from the smallest unit to the largest?

A) atoms ? molecules ? cells ?organisms ? populations ? communities ? ecosystems ? biosphere
B) atoms ? molecules ? cells ?organisms ? communities ? populations? ecosystems ? biosphere
C) atoms ? molecules ? cells ?organisms ? populations ? ecosystems ? communities ? biosphere
D) communities ? biosphere ? organisms ? ecosystems ? populations ? cells ? molecules ? atoms
E) biosphere ?organisms ?communities ? ecosystems ? populations ? molecules ?cells ? atoms
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سؤال
Which of the following is a basic component of all of the others?

A) cells
B) organs
C) tissues
D) organism
E) organ systems
سؤال
The species extinctions taking place today are being caused by ____ activities.

A) human
B) volcanic
C) plate tectonic
D) extraterrestrial
E) geothermal
سؤال
Energy flow is one-way because

A) all of the energy in an ecosystem stays constant
B) the amount of energy a producer harvests is equal to the amount of energy consumers consume
C) with each energy transfer, some energy escapes as heat
D) energy cannot be created but it can be destroyed
E) there is only one form of energy
سؤال
Which of the following organization levels is the least inclusive?

A) population
B) community
C) cell
D) atom
E) molecule
سؤال
Why did the scientists assume the plants and animals they encountered in the cloud forest on top of New Guinea's Foja Mountains had never been encountered by other humans before?

A) these species were unknown to even the native peoples
B) the animals were unafraid of humans
C) they found some species that were thought to have been extinct for decades
D) none of these answers are correct
E) all of these answers are correct except d.
سؤال
The current rate of extinctions is about ____ times faster than normal.

A) 10
B) 100
C) 1000
D) 100, 000
E) 1, 000, 000
سؤال
All organisms fit into one of the two following categories.

A) consumers and decomposers
B) producers and decomposers
C) producers and consumers
D) scavengers and detritivores
E) consumers and scavengers
سؤال
Which of the following molecules are molecules of life? <strong>Which of the following molecules are molecules of life?  </strong> A) I only B) I and II C) I and III D) I, II and III E) I, II, III and IV <div style=padding-top: 35px>

A) I only
B) I and II
C) I and III
D) I, II and III
E) I, II, III and IV
سؤال
The dynamics of an ecosystem depends on two main processes:

A) the cycling of energy and the unidirectional flow of nutrients.
B) the unidirectional flow of energy and the cycling of nutrients.
C) the multidirectional flow of both energy and nutrients.
D) the unidirectional flow of both energy and nutrients.
E) the cycling of both energy and nutrients.
سؤال
On a very hot day in summer,you go outside and take your temperature,it is 37 degrees Celsius.On another day,this time a very cold day in winter,you go outside and take your temperature,again it is 37 degrees Celsius.This example illustrates

A) adaptation.
B) cellular reproduction.
C) respiration.
D) homeostasis.
E) digestion.
سؤال
African elephants,lions,and zebras are all different species that can be viewed in zoos in separate enclosures.When they live together in an African savanna,they form a dynamic,interacting community.This dynamic living together of species is an example of a(n)_____ property.

A) emerged
B) expansive
C) elaborate
D) thermodynamic
E) eclectic
سؤال
Which of the following represents an activity within a population?

A) a fox consuming a rabbit
B) the absorption of nitrogen by bacteria and converting it to a form useful to plants
C) a peacock spreading and shaking his feathers to attract a female
D) moss growing on the north side of a large pine tree
E) a virus causing rabies in a dog
سؤال
Living organisms are members of all of the levels listed below.However,soil is a component of

A) the community.
B) the population.
C) the ecosystem.
D) the biosphere.
E) both the community and the biosphere.
سؤال
A population is composed of individuals of

A) the same species.
B) interacting species of different kinds.
C) interacting species and nonliving things.
D) a single species interacting with nonliving things.
E) all species found in a given area.
سؤال
An ecosystem such as a forest in the Pacific Northwest of the United States is made up of

A) plants, animals and fungi.
B) organisms and nonliving things.
C) rocks and minerals.
D) plants, protozoa, and fungi.
E) all of these.
سؤال
Which of the following characteristics are shared by all living organisms? <strong>Which of the following characteristics are shared by all living organisms?  </strong> A) I and II B) I and III C) II and III D) I, II, and III E) I, II, III, and IV <div style=padding-top: 35px>

A) I and II
B) I and III
C) II and III
D) I, II, and III
E) I, II, III, and IV
سؤال
The DNA molecule is most similar functionally to a

A) pair of scissors.
B) flash light battery.
C) cookbook.
D) ballpoint pen.
E) craft kit of ceramic tiles.
سؤال
Living organisms are distinct from nonliving things by which of the following features?

A) continuous energy inputs
B) complex molecular structure
C) DNA that guides functioning
D) sensing and responding to change
E) all of these except complex molecular structure
سؤال
All of the following with one exception are part of an African savanna community.Select the exception.

A) a pride of lions
B) Elephant grass
C) African wild dogs
D) low fertility soils
E) Zebras
سؤال
In the Olestra experiment,the people who ate the Olestra potato chips were the

A) experimental group.
B) control group.
C) research group.
D) hypothetical group.
E) independent group.
سؤال
Which of the following organisms is a multi-celled producer?

A) an oak tree
B) Candida, a pathogenic fungus
C) E. coli, a common intestinal bacterium
D) a Siberian tiger
E) more than one of these
سؤال
Which level of taxonomy encompasses all of the others?

A) family
B) class
C) order
D) species
E) genus
سؤال
Taxonomists today tend to group organisms into the same category based on

A) similar morphology
B) similar behavior
C) similar geographic distributions
D) similar DNA sequences
E) similar eating habits
سؤال
Members of which of the following groups can be single-celled producers?

A) plantae
B) protista
C) bacteria
D) bacteria and protista
E) bacteria and plantae
سؤال
You look into a powerful microscope and see a single-celled organism that is very small,has a cell wall,and no nucleus.You conclude that this organism belongs to the domain,

A) Eukarya.
B) Eukarya or Archaea.
C) Archaea.
D) Bacteria.
E) Arachea or Bacteria.
سؤال
The biological species concept developed by Ernst Mayr contains which of the following?

A) individuals that can potentially interbreed
B) individuals that produce fertile offspring
C) individuals that do not interbreed with other groups
D) all of these except e.
E) none of these
سؤال
In which of the following groups does seaweed belong?

A) protista
B) plants
C) fungi
D) archaea
E) bacteria
سؤال
In order to verify a hypothesis,scientists

A) perform experiments and/or make observations.
B) consider facts.
C) establish law.
D) develop theories.
E) make predictions.
سؤال
Which of the following is not a characteristic of fungi?

A) all are eukaryotic
B) all break down food internally
C) most are multi-celled
D) some form mushroom fruiting bodies
E) some are single celled
سؤال
In the scientific name,Pan paniscus,Pan represents the name of the ____ while paniscus represents the name of the ____.

A) family; species.
B) family; genus.
C) genus; species.
D) species; genus.
E) genus; family.
سؤال
Which of the following statements is true concerning DNA?

A) DNA carries hereditary information.
B) DNA is responsible for the similarity of all living things.
C) DNA is responsible for the differences between all living things.
D) DNA guides development.
E) All of these statements are true.
سؤال
An experimenter wanted to test the effects of cigarette smoking on rats.She infused the cages of 50 rats with cigarette smoke and the cages of another 50 rats with pure,clean air.The rats that received the clean air were the

A) experimental group.
B) control group.
C) model group.
D) predictive group.
E) independent group.
سؤال
Plants perform photosynthesis by using the energy of ____ to power production of sugars from ____ and ____ molecules.

A) organic molecules; oxygen; water
B) organic molecules; carbon dioxide; water
C) sunlight; carbon dioxide and oxygen; water
D) sunlight; oxygen; water
E) sunlight; carbon dioxide; water
سؤال
All known species can be grouped into three domains.What are they?

A) prokaryotes, bacteria, and eukarya.
B) prokaryotes, archaea, and eukarya.
C) plantae, bacteria, and archaea.
D) bacteria, archaea, and eukarya.
E) bacteria, archaea, and protista.
سؤال
What is the right sequence of events applied in the scientific method?

A) question; hypothesis; observation; data; test; conclusion
B) observation; hypothesis; question; data; test; conclusion
C) observation; hypothesis; question; test; data; conclusion
D) observation; question; hypothesis; test; data; conclusion
E) question; hypothesis; data; observation; test; conclusion
سؤال
Which of the following words describes a tentative explanation to a given question?

A) law
B) theory
C) hypothesis
D) fact
E) principle
سؤال
Homeostasis is

A) the ability to sense and response to change
B) maintaining an internal environment within parameters that favor survival
C) essential for all living things
D) not found in nonliving things
E) all of these
سؤال
Who developed the two-part naming system scientists use today to classify newly found organisms?

A) Charles Darwin
B) Carolus Linnaeus
C) Aristotle
D) Alexander von Humboldt
E) Ernst Mayer
سؤال
Which of the following is the correct order of taxa from most inclusive to least inclusive?

A) domain, kingdom, phylum, class, order, family, genus, species
B) domain, kingdom, phylum, order, class, family, genus, species
C) domain, kingdom, phylum, family, order, class, genus, species
D) domain, phylum, kingdom, class, order, family, genus, species
E) domain, kingdom, order, class, phylum, family, genus, species
سؤال
In science,all results

A) are accepted as fact.
B) are only hypotheses.
C) have a probability of being incorrect.
D) must be consistent with previous knowledge.
E) are uncritically accepted by other scientists.
سؤال
A control group

A) receives the same treatment as the experimental group.
B) is an untreated group of individuals or subjects.
C) is sometimes exposed to harsh conditions.
D) is often an unnecessary waste of material.
E) is not subjected to experimental error.
سؤال
The variable(s)in the butterfly experiment is(are)the

A) butterfly wings pattern color.
B) butterfly species.
C) butterfly wings pattern color and sounds emitted.
D) rainforest region used.
E) percentage of survivors.
سؤال
Sampling error can be minimized by one or more of the following.

A) using a large sample.
B) conducting the experiment or observation only once.
C) throwing out data that does not fit the conclusion.
D) using a small subset of a larger population.
E) more than one of these can minimize sampling error.
سؤال
In the experiment with peacock butterflies the working hypothesis is that

A) mimicry confuses both predator and prey.
B) mimicry protects butterflies from being eaten by predatory birds.
C) birds are capable of learning.
D) birds are agents of evolution.
E) unpalatable species display distinctive wings.
سؤال
Scientists perform ____ in order to ____ a given ____.

A) experiments; test; hypothesis.
B) tests; experiment; law.
C) tests; experiment; variable.
D) facts; test; variable.
E) hypotheses; try; experiment.
سؤال
Evolution has been tested in various ways.Genetic,fossil,anatomical,physiological and behavioral studies all confirm that evolution is the mechanism of the origin of species.Thus,in science evolution is considered a scientific

A) fact
B) hypothesis
C) law
D) theory
E) guess
سؤال
All of the following are characteristics of ALL living organisms with one exception.Select the exception.

A) complex structural organization
B) homeostasis
C) cells as their basic units
D) the ability to derive energy from inorganic sources
E) capacity to evolve
سؤال
Error bars on a graph indicate

A) places where the data is likely wrong.
B) places where the researcher is unsure of her results.
C) variation in results that cannot be accounted for.
D) variation in a set of data around the average.
E) poor experimental technique on the part of the researcher.
سؤال
Scientists attempt to avoid bias by which of the following?

A) designing quantative experiments
B) experiments repeated by other scientists
C) publicly publishing their results
D) controlled as many variables as possible
E) all of these are attempts to avoid bias.
سؤال
In science,a theory is defined as

A) a speculative guess.
B) a hypothesis.
C) an explanation that is well documented and consistent with the evidence.
D) a description of a phenomenon for which there is no explanation.
E) a personal conviction.
سؤال
How did the control group differ from the experimental group in the butterfly experiment?

A) They were different species.
B) Their native habitat of the forest differed.
C) They were spotless and soundless.
D) They tasted worse.
E) They preferred different flowers species.
سؤال
A result is statistically significant if

A) it is unlikely to have occurred by chance.
B) it is likely to have occurred by chance.
C) it is likely to have occurred in 50% of the cases.
D) it is consistent with predictions.
E) it is widely accepted.
سؤال
In the peacock butterfly experiment,what was the conclusion?

A) predatory birds are not deterred from eating peacock butterflies with spots
B) predatory birds are deterred by peacock butterfly clicking sounds
C) peacock butterflies with spots mated more often than those without spots
D) predatory birds are deterred by the dark color of the peacock butterfly
E) peacock butterflies that made clicking sounds attracted more predatory birds
سؤال
All of the following do NOT depend directly on sunlight or other inorganic sources for energy with one exception.Select the exception

A) producers only
B) consumers and decomposers
C) consumers only
D) decomposers only
E) producers and consumers
سؤال
In the Olestra potato chip experiment,the result was

A) Olestra potato chips cause cramping.
B) potato chips without Olestra cause cramping.
C) there was no evidence that Olestra caused cramping.
D) watching movies cause cramping.
E) people should not eat potato chips.
سؤال
The final step in the scientific method for a scientist is

A) devising an experiment
B) collecting data
C) making observations
D) report his or her results
E) researching the literature for similar investigations
سؤال
In science,if a result is deemed statistically significant,that means

A) it is a very important result.
B) it has a high probability of being incorrect.
C) it has a low probability of being skewed by sampling error.
D) there is very little variation in the data.
E) there is no doubt of the result being true.
سؤال
A scientific theory

A) is widely accepted and supported by several evidences.
B) is widely accepted but not necessarily supported by several evidences.
C) is sometimes accepted and supported by several evidences.
D) is sometimes accepted and not necessarily supported by several evidences.
E) is always a "truth."
سؤال
The control in an experiment

A) makes the experiment valid.
B) is an additional replicate for statistical purposes.
C) reduces the experimental errors.
D) minimizes experimental inaccuracy.
E) allows a mixed group of comparisons among different organisms for the experimental group.
سؤال
MATCHING
Based on the Olestra potato chip experiment,match the following letters to the number with which they best correspond.
a.Observation
b.Hypothesis
c.Prediction
d.Experiment
e.Control group
f.Experimental group
g.The variable
h.Assess results
i.Conclusion
A set of people got regular potato chips.
78. 1,100 people between the ages of thirteen and thirty-eight were asked to watch a movie and eat potato chips.
سؤال
All of the following are organisms within the domain eukarya with one exception.Select the exception.

A) bacteria.
B) animals.
C) protists.
D) fungi.
E) plants.
سؤال
MATCHING
Based on the Olestra potato chip experiment,match the following letters to the number with which they best correspond.
a.Observation
b.Hypothesis
c.Prediction
d.Experiment
e.Control group
f.Experimental group
g.The variable
h.Assess results
i.Conclusion
People who eat potato chips with Olestra will be more likely to get intestinal cramps than those who eat potato chips made without Olestra.
سؤال
All of the following statements are true about eukaryotes with one exception.Select the exception.

A) eukaryotes have a nucleus.
B) eukaryotes are similar to prokaryotes at a molecular level.
C) eukaryotes are sometimes unicellular organisms.
D) eukaryotes are similar to prokaryotes at a structural level.
E) eukaryotes include plants, fungi, and protists.
سؤال
All the statements below are correct with one exception.Select the exception.

A) Most animals are mobile at some stage in their lives.
B) Protists are the simplest of the eukaryotes.
C) All known plants rely on other organisms for energy.
D) All bacteria are single-celled.
E) All fungi break down their food externally.
سؤال
MATCHING
Based on the Olestra potato chip experiment,match the following letters to the number with which they best correspond.
a.Observation
b.Hypothesis
c.Prediction
d.Experiment
e.Control group
f.Experimental group
g.The variable
h.Assess results
i.Conclusion
1,100 people between the ages of thirteen and thirty-eight were asked to watch a movie and eat potato chips.
سؤال
One of the following is not a part of its paired term.Choose the exception.

A) atom; organism
B) community; ecosystem
C) population; cell
D) molecule; biosphere
E) species; community
سؤال
MATCHING
Based on the Olestra potato chip experiment,match the following letters to the number with which they best correspond.
a.Observation
b.Hypothesis
c.Prediction
d.Experiment
e.Control group
f.Experimental group
g.The variable
h.Assess results
i.Conclusion
Some people complained of intestinal problems after eating chips containing Olestra.
سؤال
All of the following statements about bacteria are correct with one exception.Select the exception.

A) Bacteria are always single-celled organisms.
B) Bacteria have DNA that is not enclosed in a nucleus.
C) All bacteria are eukaryotes.
D) Some bacteria can live in extreme environments.
E) Some bacteria are producers while others are consumers.
سؤال
All of the following are used in the development of science except one.Select the exception.

A) evaluation of data
B) personal conviction
C) prediction
D) systematic observation
E) experiments
سؤال
Critical thinking implies all of the following with one exception.Select the exception.

A) being aware of your own biases and that of others.
B) deciding whether ideas are based on opinion or evidence.
C) judging information before accepting it.
D) considering other ways to interpret the facts.
E) accepting whatever information is provided so long as it does not contradict your beliefs.
سؤال
All of the following are correct statements about sampling error,except one.Select the exception.

A) Repeating an experiment many times has the same effect on sampling error as working on a large sample.
B) A large sample would help minimize sampling error.
C) Sampling error is increased when a sample size is small.
D) A sampling error results from a mistake made by a researcher during experimentation.
E) Sampling error is the difference between results derived from testing an entire group of individuals, and results derived from testing of a subset of the group.
سؤال
MATCHING
Based on the Olestra potato chip experiment,match the following letters to the number with which they best correspond.
a.Observation
b.Hypothesis
c.Prediction
d.Experiment
e.Control group
f.Experimental group
g.The variable
h.Assess results
i.Conclusion
Olestra causes intestinal cramps.
سؤال
Science involves all of the following with one exception.Select the exception.

A) the systematic study of the observable world.
B) using objective evidence to study objects and events.
C) collecting data.
D) devising observations and experiments to test predictions.
E) using the personal biases of the experimenter to draw conclusions..
سؤال
MATCHING
Based on the Olestra potato chip experiment,match the following letters to the number with which they best correspond.
a.Observation
b.Hypothesis
c.Prediction
d.Experiment
e.Control group
f.Experimental group
g.The variable
h.Assess results
i.Conclusion
A subset of people got Olestra-containing chips.
سؤال
MATCHING
Based on the Olestra potato chip experiment,match the following letters to the number with which they best correspond.
a.Observation
b.Hypothesis
c.Prediction
d.Experiment
e.Control group
f.Experimental group
g.The variable
h.Assess results
i.Conclusion
Percentages are about equal.Therefore,Olestra is not the cause of intestinal cramps observed in some people who have ingested Olestra-containing food.
سؤال
All of the following are used to construct a theory with one exception.Select the exception.

A) repetitions of experiments.
B) increased observations.
C) time.
D) faith.
E) confirmation by many scientists.
سؤال
MATCHING
Based on the Olestra potato chip experiment,match the following letters to the number with which they best correspond.
a.Observation
b.Hypothesis
c.Prediction
d.Experiment
e.Control group
f.Experimental group
g.The variable
h.Assess results
i.Conclusion
Olestra.
سؤال
With one exception,members of the same species always share the following things.Select the exception.

A) morphology
B) biochemistry
C) behavioral traits
D) geography
E) the same genus
سؤال
All of the following statements concerning Archaea are correct with one exception.Select the exception.

A) all are single-celled
B) all have DNA
C) none have a nucleus
D) they are most closely related to bacteria
E) some are producers
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Deck 1: Invitation to Biology
1
Which of the following represents the most correct order of the organization of life from the smallest unit to the largest?

A) atoms ? molecules ? cells ?organisms ? populations ? communities ? ecosystems ? biosphere
B) atoms ? molecules ? cells ?organisms ? communities ? populations? ecosystems ? biosphere
C) atoms ? molecules ? cells ?organisms ? populations ? ecosystems ? communities ? biosphere
D) communities ? biosphere ? organisms ? ecosystems ? populations ? cells ? molecules ? atoms
E) biosphere ?organisms ?communities ? ecosystems ? populations ? molecules ?cells ? atoms
A
2
Which of the following is a basic component of all of the others?

A) cells
B) organs
C) tissues
D) organism
E) organ systems
A
3
The species extinctions taking place today are being caused by ____ activities.

A) human
B) volcanic
C) plate tectonic
D) extraterrestrial
E) geothermal
A
4
Energy flow is one-way because

A) all of the energy in an ecosystem stays constant
B) the amount of energy a producer harvests is equal to the amount of energy consumers consume
C) with each energy transfer, some energy escapes as heat
D) energy cannot be created but it can be destroyed
E) there is only one form of energy
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5
Which of the following organization levels is the least inclusive?

A) population
B) community
C) cell
D) atom
E) molecule
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6
Why did the scientists assume the plants and animals they encountered in the cloud forest on top of New Guinea's Foja Mountains had never been encountered by other humans before?

A) these species were unknown to even the native peoples
B) the animals were unafraid of humans
C) they found some species that were thought to have been extinct for decades
D) none of these answers are correct
E) all of these answers are correct except d.
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7
The current rate of extinctions is about ____ times faster than normal.

A) 10
B) 100
C) 1000
D) 100, 000
E) 1, 000, 000
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8
All organisms fit into one of the two following categories.

A) consumers and decomposers
B) producers and decomposers
C) producers and consumers
D) scavengers and detritivores
E) consumers and scavengers
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9
Which of the following molecules are molecules of life? <strong>Which of the following molecules are molecules of life?  </strong> A) I only B) I and II C) I and III D) I, II and III E) I, II, III and IV

A) I only
B) I and II
C) I and III
D) I, II and III
E) I, II, III and IV
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10
The dynamics of an ecosystem depends on two main processes:

A) the cycling of energy and the unidirectional flow of nutrients.
B) the unidirectional flow of energy and the cycling of nutrients.
C) the multidirectional flow of both energy and nutrients.
D) the unidirectional flow of both energy and nutrients.
E) the cycling of both energy and nutrients.
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11
On a very hot day in summer,you go outside and take your temperature,it is 37 degrees Celsius.On another day,this time a very cold day in winter,you go outside and take your temperature,again it is 37 degrees Celsius.This example illustrates

A) adaptation.
B) cellular reproduction.
C) respiration.
D) homeostasis.
E) digestion.
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12
African elephants,lions,and zebras are all different species that can be viewed in zoos in separate enclosures.When they live together in an African savanna,they form a dynamic,interacting community.This dynamic living together of species is an example of a(n)_____ property.

A) emerged
B) expansive
C) elaborate
D) thermodynamic
E) eclectic
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13
Which of the following represents an activity within a population?

A) a fox consuming a rabbit
B) the absorption of nitrogen by bacteria and converting it to a form useful to plants
C) a peacock spreading and shaking his feathers to attract a female
D) moss growing on the north side of a large pine tree
E) a virus causing rabies in a dog
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14
Living organisms are members of all of the levels listed below.However,soil is a component of

A) the community.
B) the population.
C) the ecosystem.
D) the biosphere.
E) both the community and the biosphere.
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15
A population is composed of individuals of

A) the same species.
B) interacting species of different kinds.
C) interacting species and nonliving things.
D) a single species interacting with nonliving things.
E) all species found in a given area.
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16
An ecosystem such as a forest in the Pacific Northwest of the United States is made up of

A) plants, animals and fungi.
B) organisms and nonliving things.
C) rocks and minerals.
D) plants, protozoa, and fungi.
E) all of these.
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17
Which of the following characteristics are shared by all living organisms? <strong>Which of the following characteristics are shared by all living organisms?  </strong> A) I and II B) I and III C) II and III D) I, II, and III E) I, II, III, and IV

A) I and II
B) I and III
C) II and III
D) I, II, and III
E) I, II, III, and IV
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18
The DNA molecule is most similar functionally to a

A) pair of scissors.
B) flash light battery.
C) cookbook.
D) ballpoint pen.
E) craft kit of ceramic tiles.
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19
Living organisms are distinct from nonliving things by which of the following features?

A) continuous energy inputs
B) complex molecular structure
C) DNA that guides functioning
D) sensing and responding to change
E) all of these except complex molecular structure
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20
All of the following with one exception are part of an African savanna community.Select the exception.

A) a pride of lions
B) Elephant grass
C) African wild dogs
D) low fertility soils
E) Zebras
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21
In the Olestra experiment,the people who ate the Olestra potato chips were the

A) experimental group.
B) control group.
C) research group.
D) hypothetical group.
E) independent group.
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22
Which of the following organisms is a multi-celled producer?

A) an oak tree
B) Candida, a pathogenic fungus
C) E. coli, a common intestinal bacterium
D) a Siberian tiger
E) more than one of these
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23
Which level of taxonomy encompasses all of the others?

A) family
B) class
C) order
D) species
E) genus
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24
Taxonomists today tend to group organisms into the same category based on

A) similar morphology
B) similar behavior
C) similar geographic distributions
D) similar DNA sequences
E) similar eating habits
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25
Members of which of the following groups can be single-celled producers?

A) plantae
B) protista
C) bacteria
D) bacteria and protista
E) bacteria and plantae
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26
You look into a powerful microscope and see a single-celled organism that is very small,has a cell wall,and no nucleus.You conclude that this organism belongs to the domain,

A) Eukarya.
B) Eukarya or Archaea.
C) Archaea.
D) Bacteria.
E) Arachea or Bacteria.
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27
The biological species concept developed by Ernst Mayr contains which of the following?

A) individuals that can potentially interbreed
B) individuals that produce fertile offspring
C) individuals that do not interbreed with other groups
D) all of these except e.
E) none of these
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28
In which of the following groups does seaweed belong?

A) protista
B) plants
C) fungi
D) archaea
E) bacteria
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29
In order to verify a hypothesis,scientists

A) perform experiments and/or make observations.
B) consider facts.
C) establish law.
D) develop theories.
E) make predictions.
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30
Which of the following is not a characteristic of fungi?

A) all are eukaryotic
B) all break down food internally
C) most are multi-celled
D) some form mushroom fruiting bodies
E) some are single celled
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31
In the scientific name,Pan paniscus,Pan represents the name of the ____ while paniscus represents the name of the ____.

A) family; species.
B) family; genus.
C) genus; species.
D) species; genus.
E) genus; family.
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32
Which of the following statements is true concerning DNA?

A) DNA carries hereditary information.
B) DNA is responsible for the similarity of all living things.
C) DNA is responsible for the differences between all living things.
D) DNA guides development.
E) All of these statements are true.
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33
An experimenter wanted to test the effects of cigarette smoking on rats.She infused the cages of 50 rats with cigarette smoke and the cages of another 50 rats with pure,clean air.The rats that received the clean air were the

A) experimental group.
B) control group.
C) model group.
D) predictive group.
E) independent group.
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34
Plants perform photosynthesis by using the energy of ____ to power production of sugars from ____ and ____ molecules.

A) organic molecules; oxygen; water
B) organic molecules; carbon dioxide; water
C) sunlight; carbon dioxide and oxygen; water
D) sunlight; oxygen; water
E) sunlight; carbon dioxide; water
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35
All known species can be grouped into three domains.What are they?

A) prokaryotes, bacteria, and eukarya.
B) prokaryotes, archaea, and eukarya.
C) plantae, bacteria, and archaea.
D) bacteria, archaea, and eukarya.
E) bacteria, archaea, and protista.
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36
What is the right sequence of events applied in the scientific method?

A) question; hypothesis; observation; data; test; conclusion
B) observation; hypothesis; question; data; test; conclusion
C) observation; hypothesis; question; test; data; conclusion
D) observation; question; hypothesis; test; data; conclusion
E) question; hypothesis; data; observation; test; conclusion
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37
Which of the following words describes a tentative explanation to a given question?

A) law
B) theory
C) hypothesis
D) fact
E) principle
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38
Homeostasis is

A) the ability to sense and response to change
B) maintaining an internal environment within parameters that favor survival
C) essential for all living things
D) not found in nonliving things
E) all of these
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39
Who developed the two-part naming system scientists use today to classify newly found organisms?

A) Charles Darwin
B) Carolus Linnaeus
C) Aristotle
D) Alexander von Humboldt
E) Ernst Mayer
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40
Which of the following is the correct order of taxa from most inclusive to least inclusive?

A) domain, kingdom, phylum, class, order, family, genus, species
B) domain, kingdom, phylum, order, class, family, genus, species
C) domain, kingdom, phylum, family, order, class, genus, species
D) domain, phylum, kingdom, class, order, family, genus, species
E) domain, kingdom, order, class, phylum, family, genus, species
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41
In science,all results

A) are accepted as fact.
B) are only hypotheses.
C) have a probability of being incorrect.
D) must be consistent with previous knowledge.
E) are uncritically accepted by other scientists.
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42
A control group

A) receives the same treatment as the experimental group.
B) is an untreated group of individuals or subjects.
C) is sometimes exposed to harsh conditions.
D) is often an unnecessary waste of material.
E) is not subjected to experimental error.
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43
The variable(s)in the butterfly experiment is(are)the

A) butterfly wings pattern color.
B) butterfly species.
C) butterfly wings pattern color and sounds emitted.
D) rainforest region used.
E) percentage of survivors.
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44
Sampling error can be minimized by one or more of the following.

A) using a large sample.
B) conducting the experiment or observation only once.
C) throwing out data that does not fit the conclusion.
D) using a small subset of a larger population.
E) more than one of these can minimize sampling error.
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45
In the experiment with peacock butterflies the working hypothesis is that

A) mimicry confuses both predator and prey.
B) mimicry protects butterflies from being eaten by predatory birds.
C) birds are capable of learning.
D) birds are agents of evolution.
E) unpalatable species display distinctive wings.
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46
Scientists perform ____ in order to ____ a given ____.

A) experiments; test; hypothesis.
B) tests; experiment; law.
C) tests; experiment; variable.
D) facts; test; variable.
E) hypotheses; try; experiment.
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47
Evolution has been tested in various ways.Genetic,fossil,anatomical,physiological and behavioral studies all confirm that evolution is the mechanism of the origin of species.Thus,in science evolution is considered a scientific

A) fact
B) hypothesis
C) law
D) theory
E) guess
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48
All of the following are characteristics of ALL living organisms with one exception.Select the exception.

A) complex structural organization
B) homeostasis
C) cells as their basic units
D) the ability to derive energy from inorganic sources
E) capacity to evolve
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49
Error bars on a graph indicate

A) places where the data is likely wrong.
B) places where the researcher is unsure of her results.
C) variation in results that cannot be accounted for.
D) variation in a set of data around the average.
E) poor experimental technique on the part of the researcher.
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50
Scientists attempt to avoid bias by which of the following?

A) designing quantative experiments
B) experiments repeated by other scientists
C) publicly publishing their results
D) controlled as many variables as possible
E) all of these are attempts to avoid bias.
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51
In science,a theory is defined as

A) a speculative guess.
B) a hypothesis.
C) an explanation that is well documented and consistent with the evidence.
D) a description of a phenomenon for which there is no explanation.
E) a personal conviction.
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52
How did the control group differ from the experimental group in the butterfly experiment?

A) They were different species.
B) Their native habitat of the forest differed.
C) They were spotless and soundless.
D) They tasted worse.
E) They preferred different flowers species.
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53
A result is statistically significant if

A) it is unlikely to have occurred by chance.
B) it is likely to have occurred by chance.
C) it is likely to have occurred in 50% of the cases.
D) it is consistent with predictions.
E) it is widely accepted.
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54
In the peacock butterfly experiment,what was the conclusion?

A) predatory birds are not deterred from eating peacock butterflies with spots
B) predatory birds are deterred by peacock butterfly clicking sounds
C) peacock butterflies with spots mated more often than those without spots
D) predatory birds are deterred by the dark color of the peacock butterfly
E) peacock butterflies that made clicking sounds attracted more predatory birds
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55
All of the following do NOT depend directly on sunlight or other inorganic sources for energy with one exception.Select the exception

A) producers only
B) consumers and decomposers
C) consumers only
D) decomposers only
E) producers and consumers
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56
In the Olestra potato chip experiment,the result was

A) Olestra potato chips cause cramping.
B) potato chips without Olestra cause cramping.
C) there was no evidence that Olestra caused cramping.
D) watching movies cause cramping.
E) people should not eat potato chips.
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57
The final step in the scientific method for a scientist is

A) devising an experiment
B) collecting data
C) making observations
D) report his or her results
E) researching the literature for similar investigations
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58
In science,if a result is deemed statistically significant,that means

A) it is a very important result.
B) it has a high probability of being incorrect.
C) it has a low probability of being skewed by sampling error.
D) there is very little variation in the data.
E) there is no doubt of the result being true.
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59
A scientific theory

A) is widely accepted and supported by several evidences.
B) is widely accepted but not necessarily supported by several evidences.
C) is sometimes accepted and supported by several evidences.
D) is sometimes accepted and not necessarily supported by several evidences.
E) is always a "truth."
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60
The control in an experiment

A) makes the experiment valid.
B) is an additional replicate for statistical purposes.
C) reduces the experimental errors.
D) minimizes experimental inaccuracy.
E) allows a mixed group of comparisons among different organisms for the experimental group.
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61
MATCHING
Based on the Olestra potato chip experiment,match the following letters to the number with which they best correspond.
a.Observation
b.Hypothesis
c.Prediction
d.Experiment
e.Control group
f.Experimental group
g.The variable
h.Assess results
i.Conclusion
A set of people got regular potato chips.
78. 1,100 people between the ages of thirteen and thirty-eight were asked to watch a movie and eat potato chips.
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62
All of the following are organisms within the domain eukarya with one exception.Select the exception.

A) bacteria.
B) animals.
C) protists.
D) fungi.
E) plants.
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63
MATCHING
Based on the Olestra potato chip experiment,match the following letters to the number with which they best correspond.
a.Observation
b.Hypothesis
c.Prediction
d.Experiment
e.Control group
f.Experimental group
g.The variable
h.Assess results
i.Conclusion
People who eat potato chips with Olestra will be more likely to get intestinal cramps than those who eat potato chips made without Olestra.
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64
All of the following statements are true about eukaryotes with one exception.Select the exception.

A) eukaryotes have a nucleus.
B) eukaryotes are similar to prokaryotes at a molecular level.
C) eukaryotes are sometimes unicellular organisms.
D) eukaryotes are similar to prokaryotes at a structural level.
E) eukaryotes include plants, fungi, and protists.
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65
All the statements below are correct with one exception.Select the exception.

A) Most animals are mobile at some stage in their lives.
B) Protists are the simplest of the eukaryotes.
C) All known plants rely on other organisms for energy.
D) All bacteria are single-celled.
E) All fungi break down their food externally.
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66
MATCHING
Based on the Olestra potato chip experiment,match the following letters to the number with which they best correspond.
a.Observation
b.Hypothesis
c.Prediction
d.Experiment
e.Control group
f.Experimental group
g.The variable
h.Assess results
i.Conclusion
1,100 people between the ages of thirteen and thirty-eight were asked to watch a movie and eat potato chips.
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67
One of the following is not a part of its paired term.Choose the exception.

A) atom; organism
B) community; ecosystem
C) population; cell
D) molecule; biosphere
E) species; community
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68
MATCHING
Based on the Olestra potato chip experiment,match the following letters to the number with which they best correspond.
a.Observation
b.Hypothesis
c.Prediction
d.Experiment
e.Control group
f.Experimental group
g.The variable
h.Assess results
i.Conclusion
Some people complained of intestinal problems after eating chips containing Olestra.
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69
All of the following statements about bacteria are correct with one exception.Select the exception.

A) Bacteria are always single-celled organisms.
B) Bacteria have DNA that is not enclosed in a nucleus.
C) All bacteria are eukaryotes.
D) Some bacteria can live in extreme environments.
E) Some bacteria are producers while others are consumers.
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70
All of the following are used in the development of science except one.Select the exception.

A) evaluation of data
B) personal conviction
C) prediction
D) systematic observation
E) experiments
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71
Critical thinking implies all of the following with one exception.Select the exception.

A) being aware of your own biases and that of others.
B) deciding whether ideas are based on opinion or evidence.
C) judging information before accepting it.
D) considering other ways to interpret the facts.
E) accepting whatever information is provided so long as it does not contradict your beliefs.
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72
All of the following are correct statements about sampling error,except one.Select the exception.

A) Repeating an experiment many times has the same effect on sampling error as working on a large sample.
B) A large sample would help minimize sampling error.
C) Sampling error is increased when a sample size is small.
D) A sampling error results from a mistake made by a researcher during experimentation.
E) Sampling error is the difference between results derived from testing an entire group of individuals, and results derived from testing of a subset of the group.
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73
MATCHING
Based on the Olestra potato chip experiment,match the following letters to the number with which they best correspond.
a.Observation
b.Hypothesis
c.Prediction
d.Experiment
e.Control group
f.Experimental group
g.The variable
h.Assess results
i.Conclusion
Olestra causes intestinal cramps.
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74
Science involves all of the following with one exception.Select the exception.

A) the systematic study of the observable world.
B) using objective evidence to study objects and events.
C) collecting data.
D) devising observations and experiments to test predictions.
E) using the personal biases of the experimenter to draw conclusions..
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75
MATCHING
Based on the Olestra potato chip experiment,match the following letters to the number with which they best correspond.
a.Observation
b.Hypothesis
c.Prediction
d.Experiment
e.Control group
f.Experimental group
g.The variable
h.Assess results
i.Conclusion
A subset of people got Olestra-containing chips.
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76
MATCHING
Based on the Olestra potato chip experiment,match the following letters to the number with which they best correspond.
a.Observation
b.Hypothesis
c.Prediction
d.Experiment
e.Control group
f.Experimental group
g.The variable
h.Assess results
i.Conclusion
Percentages are about equal.Therefore,Olestra is not the cause of intestinal cramps observed in some people who have ingested Olestra-containing food.
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77
All of the following are used to construct a theory with one exception.Select the exception.

A) repetitions of experiments.
B) increased observations.
C) time.
D) faith.
E) confirmation by many scientists.
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78
MATCHING
Based on the Olestra potato chip experiment,match the following letters to the number with which they best correspond.
a.Observation
b.Hypothesis
c.Prediction
d.Experiment
e.Control group
f.Experimental group
g.The variable
h.Assess results
i.Conclusion
Olestra.
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79
With one exception,members of the same species always share the following things.Select the exception.

A) morphology
B) biochemistry
C) behavioral traits
D) geography
E) the same genus
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80
All of the following statements concerning Archaea are correct with one exception.Select the exception.

A) all are single-celled
B) all have DNA
C) none have a nucleus
D) they are most closely related to bacteria
E) some are producers
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