Deck 22: How Human Influence the Living World

Question 1

Which of the following would be related to a decrease in ozone in the atmosphere?

A) Decrease in biodiversity
B) Increase in skin cancer
C) Global warming
D) Habitat loss

Answer 1

B

Question 2

The trapping of heat in the Earth's atmosphere by certain gases is called the ____________ effect.

A) thermostat
B) global warming
C) greenhouse
D) furnace

Answer 2

C

Question 3

Which value of biodiversity is hardest to put a price on?

A) Value from products obtained
B) Value from ecosystem maintenance
C) Aesthetic value

Answer 3

C

Question 4

Acidification of the oceans results from high ________ levels.

A) carbon dioxide
B) sulfur dioxide
C) sulfates
D) ozone
E) CFC

Question 5

Which factor is responsible for causing the most animal extinctions?

A) Species overexploitation
B) Habitat loss
C) Introduced species

Question 6

Natural rain water seldom has a pH lower than __________.

A) 5.6
B) 6.6
C) 7.0
D) 7.5

Question 7

How does DDT endanger bird species?

A) Causes sterilization of females.
B) Causes fatal damage to the liver.
C) Destroys required nesting habitats.
D) Causes production of thin,fragile eggs.

Question 8

Which of the following contributes to CFC production?

A) Refrigerator coolant
B) Aerosol gas
C) Styrofoam
D) All of these choices are correct.

Question 9

Acid rain can lead to the destruction of

A) trees.
B) fish.
C) aquatic invertebrates
D) All of these choices are correct.

Question 10

Which chemical is related to the development of the ozone hole?

A) methane
B) chlorofluorocarbons
C) carbon dioxide
D) sulfur dioxide

Question 11

_____________ is a method of habitat destruction that involves dividing a habitat into small isolated areas.

A) Encroachment
B) Fission
C) Displacement
D) Fragmentation

Question 12

Which of the following drove the passenger pigeon to extinction?

A) Overexploitation
B) Habitat loss
C) Introduced species
D) Predation

Question 13

Which of the following does global warming effect?

A) Rain patterns
B) Agriculture
C) Sea levels
D) All of these choices are correct.

Question 14

Which of the following is a nonreplaceable resource?

A) Biodiversity
B) Groundwater
C) Top soil
D) All of these choices are correct.

Question 15

CFCs catalyzes the reaction that converts ____________ into O₂.

A) CO₂
B) methane
C) H₂O
D) O₃

Question 16

Effective approaches to curbing pollution in the U.S.include

A) antipollution laws.
B) pollution taxes.
C) Both a and b are correct.
D) Neither a nor b has proven effective.

Question 17

The increasing concentration of a chemical as it moves through the links in a food chain is called ________.

A) chemical amplification
B) biological amplification
C) biological magnification
D) trophic magnification

Question 18

Which element is related to the formation of acid rain?

A) Sulfur
B) Carbon
C) Nitrogen
D) Potassium

Question 19

Which is closest to today's human population number?

A) 7 billion
B) 5.0 billion
C) 4.6 billion
D) 9.8 billion

Question 20

The human population shows _________________ growth.

A) sigmoidal
B) logistic
C) exponential
D) declining

Question 21

A country with a population pyramid that is triangular is

A) increasing in population size.
B) decreasing in population size.
C) characterized by having a stable population size.

Question 22

Humans have been able to expand the _____________ of environments in which they live.

Question 23

The ozone hole cannot be fixed.

Question 24

Carbon dioxide is a greenhouse gas.

Question 25

The human population growth rate is declining.

Question 26

The wealthiest 20% of the Earth's population consumes more resources and produces more emissions than the other 80%.

Question 27

Using fossil fuels for energy contributes to global warming.

Question 28

Chlorinated hydrocarbons found in a chemical called ____________ threatened U.S.bald eagle and brown pelican populations due to biological magnification.

Question 29

Currently,the human population is growing rapidly due to high birth rate.

Question 30

If all humans lived at the standard of living in the developed world,two additional planet Earth's would be needed.

Question 31

The chemical shield that protects the Earth's surface from ultraviolet radiation is _____________.

Question 32

Which is an example of a keystone species?

A) Peregrine falcon
B) Black rhino
C) Flying foxes
D) Brown pelicans

Question 33

Los Angeles is a brown air city because of the formation of _________.

Question 34

Damage to an ecosystem usually has only local effects.

Question 35

Ecosystems that have undergone fragmentation may have their fragmented habitats reconnected by _____________ extending between fragments.

A) preserves
B) home ranges
C) suboptimal habitats
D) corridors

Question 36

Which is not an alternate energy source?

A) Solar
B) Wind
C) Coal
D) Biomass

Question 37

A species that exerts a particularly strong influence on its ecosystem is called a(n)____________ species.

Question 38

An increase in the rate of extinction is the heart of the ____________ crisis.

Question 39

Which population has benefited from captive propagation efforts?

A) Peregrine falcon
B) Black rhino
C) Flying foxes
D) Brown pelicans

Question 40

The carbon dioxide released by burning ethanol was recently captured by plants during the process of

A) photorespiration.
B) cellular respiration.
C) fermentation.
D) photosynthesis.

Question 41

Explain why burning ethanol does not add "more" carbon dioxide to the atmosphere.

Question 42

The amount of productive land required to support an individual at the standard of living of a particular population is called an ecological ______________.

Question 43

Explain how chlorofluorocarbons (CFCs)released into the atmosphere lead to an increase in the incidence of skin cancer among humans.

Question 44

How might the aesthetic value of biodiversity relate to economic value?