Question 1

A direct and repeatable observation of any aspect of the natural world can be considered a scientific ________.

Accepted Answer

The answer of A direct and repeatable observation of any...

Question 2

Bats use echolocation to orient themselves and locate objects. Doing this requires special adaptations in their inner ear, midbrain, and auditory cortex of their cerebrum. The echolocation system of bats is an example of

Accepted Answer

The answer of Bats use echolocation to orient themselves and...

Question 3

The genetic material used for reproduction by those organisms conventionally considered to be living is ________.

Accepted Answer

The answer of The genetic material used for reproduction by...

Question 4

The claim has been made that women may be able to achieve significant improvements in memory by taking Gingko biloba supplements. To determine if the claim is fraudulent and prior to accepting this claim, what type of evidence would you like to see? Provide brief details of an investigative design.

Accepted Answer

The answer of The claim has been made that women...

Question 5

The caves in upstate New York, where Alan Hicks' team first noticed the deaths of thousands of bats, represent the

Accepted Answer

The ecosystem is the correct choice because it refers to the interaction between living organisms and their physical environment, which is what was affected by the deaths of the bats in the caves. The biosphere is too broad of a term and refers to the entire portion of Earth that supports life. The biome and community are also too specific, as they refer to distinct types of ecosystems and the specific grouping of organisms within them.

Question 6

After observing that students who regularly attend class appear to be making good grades, I propose the hypothesis that regular class attendance increases the probability that students earn higher grades. If I attend classes regularly this semester, I should make higher grades than I did last semester when I often missed class. This is a ________.

Accepted Answer

The answer of After observing that students who regularly attend...

Question 7

Which term best describes the temperate deciduous forests that cover the northeastern United States, including the Adirondack Mountains?

Accepted Answer

Biome refers to a large geographical region characterized by a specific type of climate and dominant plant and animal life. Temperate deciduous forests are a type of biome that covers the northeastern United States, including the Adirondack Mountains. Biosphere refers to all living organisms and their interactions with the environment, ecosystem refers to a community of living and nonliving things interacting with each other, and community refers to a group of living organisms of different species living together in a particular area.

Question 8

Your friend says to you, "You do not need to understand evolution to understand biology because evolution is just a theory." How would you explain to your friend that a "theory" in science is not "just a theory"?

Accepted Answer

The answer of Your friend says to you, "You do...

Question 9

Match the correct term(s) with the sentence.
-________ and ask questions about the natural world.

Accepted Answer

The sentence is referring to the process of observing the natural world.

Question 10

A parent heard some celebrities on television stating there was a study published in 1998 that asserted a connection between the measles-mumps-rubella (MMR) vaccine and the onset of autism in children. The celebrities went on to say that after the MMR vaccine replaced the old simple measles vaccine in 1988 there was a 273 percent increase in autism rates during the next 11 years. The celebrities, however, did not reveal that the study published in 1998 included a sample size of 12 children who were already known to have some form of autism or similar developmental difficulties. They also did not present the evidence from hundreds of studies conducted since 1998 that show no connection between vaccines and the onset of autism. What was the hypothesis, regarding vaccines and autism, implied by the celebrities? Did the evidence they presented show a correlation or cause-and-effect relationship between vaccines and autism? State at least two obvious problems with the structure of the 1998 study.

Accepted Answer

The answer of A parent heard some celebrities on television...

Question 11

A tissue is defined as

Accepted Answer

A tissue is defined as a group of cells that performs a unique set of tasks in the body. Option B refers to a molecule, option C refers to a cell, and option D refers to an organ system.

Question 12

Describe how DNA makes it possible for organisms to make new individuals like themselves.

Accepted Answer

The answer of Describe how DNA makes it possible for...

Question 13

A way to visualize the breadth and scope of life, from the smallest structures of atoms and cells to the broadest interactions between living and nonliving systems that we can comprehend, is typically referred to as the ________.

Accepted Answer

The answer of A way to visualize the breadth and...

Question 14

People who exercise regularly have a lower average resting heart rate and blood pressure than people who do not exercise. Given this observation, develop a hypothesis and provide one prediction relating to that hypothesis.

Accepted Answer

The answer of People who exercise regularly have a lower...

Question 15

Explain the self-correcting nature of science.

Accepted Answer

The answer of Explain the self-correcting nature of science....

Question 16

When Dr. Blehert and his team set out to determine the cause of death for thousands of bats, they determined that the sick and dead bats had a strange white fuzz on their noses and wings along with depleted fat reserves and damaged wing tissue. Predicting that the white fungus was associated with the illness would be acknowledging a possible ________ between the illness and the fungus.

Accepted Answer

The answer of When Dr. Blehert and his team set...

Question 17

Organize the following concepts in order of most exclusive to most inclusive and give a brief explanation of the concepts: biome, biosphere, community, ecosystem, organism, and population.

Accepted Answer

The answer of Organize the following concepts in order of...

Question 18

Land biomes are most commonly defined by

Accepted Answer

Land biomes are defined by their climate and physical characteristics which influence the dominant plant life and, subsequently, animal life in them. The dominant plant life is one characteristic of the biome, but it is not the only defining feature. The physical attributes, such as temperature, precipitation, soil type, and topography, have a significant impact on the types of plants and animals that can survive in the biome. Therefore, the best choice is D.

Question 19

The first two steps of the scientific process typically include making ________ and forming a ________.

Accepted Answer

The answer of The first two steps of the scientific...

Question 20

During an experimental study, a control group is maintained under a standard set of conditions with no change in the independent variable. The ________ group is maintained under the same standard set of conditions as the control group, but the independent variable is adjusted.

Accepted Answer

The answer of During an experimental study, a control group...

Quiz 1: The Nature of Science