Question 1

Atmospheric scientists anticipate a 3.5°C temperature rise in the next century. If so, what impacts will such change bring?

Accepted Answer

A) Some plant and animal species will migrate to cooler locations, whereas others will become extinct. 
B) There will be a positive impact on the world's agricultural systems as ocean evaporation and terrestrial rainfall increases. 
C) Sea levels could rise high enough to improve the ease of navigability and shipping. 
D) The polar ice caps will increase in size. 
A) Some plant and animal species will migrate to cooler locations, whereas others will become extinct. 
B) There will be a positive impact on the world's agricultural systems as ocean evaporation and terrestrial rainfall increases. 
C) Sea levels could rise high enough to improve the ease of navigability and shipping. 
D) The polar ice caps will increase in size.

Question 2

Biology is the study of life. Would biologists study abiotic components in an ecosystem?

Accepted Answer

A) Yes, biologists study all living organisms regardless of size. 
B) No, biologists study only those living organisms which have a significant effect on the ecosystem. 
C) Yes, understanding living organisms includes understanding the nonliving factors on which they depend. 
D) No, biologists only study living components of the ecosystem; the nonliving components would be studied by chemists or geologists. 
A) Yes, biologists study all living organisms regardless of size. 
B) No, biologists study only those living organisms which have a significant effect on the ecosystem. 
C) Yes, understanding living organisms includes understanding the nonliving factors on which they depend. 
D) No, biologists only study living components of the ecosystem; the nonliving components would be studied by chemists or geologists.

Question 3

Humans are

Accepted Answer

A) biotic factors within the biosphere. 
B) biotic factors outside the biosphere. 
C) abiotic factors within the biosphere. 
D) abiotic factors outside the biosphere. 
A) biotic factors within the biosphere. 
B) biotic factors outside the biosphere. 
C) abiotic factors within the biosphere. 
D) abiotic factors outside the biosphere.

Question 4

How much has Earth's mean surface temperature increased since the early twentieth century?

Accepted Answer

A) 0.1° C 
B) 0.8° C 
C) 1.1° C 
D) 1.8° C 
A) 0.1° C 
B) 0.8° C 
C) 1.1° C 
D) 1.8° C

Question 5

Burning forests will

Accepted Answer

A) increase carbon levels in the atmosphere, which will increase climate change. 
B) increase carbon levels in the atmosphere, which will decrease climate change. 
C) decrease carbon levels in the atmosphere, which will increase climate change. 
D) decrease carbon levels in the atmosphere, which will decrease climate change. 
A) increase carbon levels in the atmosphere, which will increase climate change. 
B) increase carbon levels in the atmosphere, which will decrease climate change. 
C) decrease carbon levels in the atmosphere, which will increase climate change. 
D) decrease carbon levels in the atmosphere, which will decrease climate change.

Question 6

One of the major effects of an increase in atmospheric carbon dioxide is

Accepted Answer

A) an increase in average global temperature. 
B) cooler average temperatures as carbon dioxide reflects sunlight back into space. 
C) an acceleration of the depletion of ozone. 
D) an increase in the pH of oceans and lakes. 
A) an increase in average global temperature. 
B) cooler average temperatures as carbon dioxide reflects sunlight back into space. 
C) an acceleration of the depletion of ozone. 
D) an increase in the pH of oceans and lakes.

Question 7

The graph below indicates that global temperatures have

Accepted Answer

A) varied randomly over the last 160 years. 
B) shown no real trend over the last 160 years. 
C) tended to increase, especially in the last 100 years. 
D) tended to decrease over the last 160 years. 
A) varied randomly over the last 160 years. 
B) shown no real trend over the last 160 years. 
C) tended to increase, especially in the last 100 years. 
D) tended to decrease over the last 160 years.

Question 8

Drought, species extinction, and melting of glaciers are all consequences of ________.

Accepted Answer

The answer of Drought, species extinction, and melting of glaciers...

Question 9

Greenhouse gases warm the planet by

Accepted Answer

A) absorbing and dispersing solar radiation. 
B) magnifying the energy of solar radiation. 
C) producing and emitting infrared radiation. 
D) absorbing and reemitting infrared radiation. 
A) absorbing and dispersing solar radiation. 
B) magnifying the energy of solar radiation. 
C) producing and emitting infrared radiation. 
D) absorbing and reemitting infrared radiation.

Question 10

Describe how both biotic and abiotic factors can affect the population size of deer in a forest.

Accepted Answer

Predators and food are two biotic factor

Question 11

Not all gases are greenhouse gases. Which of the following would be a greenhouse gas?

Accepted Answer

A) a gas that participates in biogeochemical cycling in the biosphere 
B) a gas that absorbs heat that radiates away from the Earth's surface 
C) a gas that does not participate in biogeochemical cycling in the biosphere 
D) a gas that does not absorb heat that radiates away from the Earth's surface 
A) a gas that participates in biogeochemical cycling in the biosphere 
B) a gas that absorbs heat that radiates away from the Earth's surface 
C) a gas that does not participate in biogeochemical cycling in the biosphere 
D) a gas that does not absorb heat that radiates away from the Earth's surface

Question 12

Which of the following activities would have the greatest effect in decreasing greenhouse gases?

Accepted Answer

A) decreasing logging 
B) decreasing burning of forests 
C) decreasing construction in cities 
D) decreasing fossil fuel consumption 
A) decreasing logging 
B) decreasing burning of forests 
C) decreasing construction in cities 
D) decreasing fossil fuel consumption

Question 13

An increase in average temperatures worldwide is called

Accepted Answer

A) climate change. 
B) global warming. 
C) the greenhouse effect. 
D) weather pattern shift. 
A) climate change. 
B) global warming. 
C) the greenhouse effect. 
D) weather pattern shift.

Question 14

Which of the following is NOT a consequence of climate change?

Accepted Answer

A) increased droughts 
B) decreased flooding 
C) decreased biodiversity 
D) increase in ocean temperature 
A) increased droughts 
B) decreased flooding 
C) decreased biodiversity 
D) increase in ocean temperature

Question 15

One consequence of climate change is

Accepted Answer

A) increased fires in the Amazon. 
B) decreased fires in the Amazon. 
C) increased clear-cutting in the Amazon. 
D) decreased clear-cutting in the Amazon. 
A) increased fires in the Amazon. 
B) decreased fires in the Amazon. 
C) increased clear-cutting in the Amazon. 
D) decreased clear-cutting in the Amazon.

Question 16

Match the term to the correct example.
-the average rainfall of a region

Accepted Answer

A) biotic 
B) abiotic 
C) biosphere 
D) weather 
E) climate 
A) biotic 
B) abiotic 
C) biosphere 
D) weather 
E) climate

Question 17

Describe how a decrease in plant populations can affect the water cycle.

Accepted Answer

Plants absorb water from the soil and re

Question 18

Climate change increases fires in the rainforest. This will

Accepted Answer

A) decrease climate change as carbon sinks are formed. 
B) decrease climate change as carbon reservoirs are released. 
C) further increase climate change as carbon sinks are formed. 
D) further increase climate change as carbon reservoirs are released. 
A) decrease climate change as carbon sinks are formed. 
B) decrease climate change as carbon reservoirs are released. 
C) further increase climate change as carbon sinks are formed. 
D) further increase climate change as carbon reservoirs are released.

Question 19

Which of the following does NOT represent evidence for global warming?

Accepted Answer

A) The 10 hottest years on record have occurred since 1990. 
B) In Europe, bird and butterfly species have shifted their ranges northward. 
C) The hole in the ozone layer over Antarctica has been growing in size. 
D) Plants in northern latitudes have increased the length of their growing seasons. 
A) The 10 hottest years on record have occurred since 1990. 
B) In Europe, bird and butterfly species have shifted their ranges northward. 
C) The hole in the ozone layer over Antarctica has been growing in size. 
D) Plants in northern latitudes have increased the length of their growing seasons.

Question 20

Carbon dioxide levels are increasing because

Accepted Answer

A) human agriculture has greatly increased the amount of carbon dioxide given off by plants during respiration. 
B) humans have begun releasing carbon that was formerly sequestered in fossil fuels into the atmosphere. 
C) holes in the ozone layer have reduced the total amount of photosynthesis occurring in the biosphere. 
D) the huge growth in the human population and domestic livestock has increased the amount of carbon dioxide being released through respiration. 
A) human agriculture has greatly increased the amount of carbon dioxide given off by plants during respiration. 
B) humans have begun releasing carbon that was formerly sequestered in fossil fuels into the atmosphere. 
C) holes in the ozone layer have reduced the total amount of photosynthesis occurring in the biosphere. 
D) the huge growth in the human population and domestic livestock has increased the amount of carbon dioxide being released through respiration.

Exam 15: General Principles of Ecology

Atmospheric scientists anticipate a 3.5°C temperature rise in the next century. If so, what impacts will such change bring?

Biology is the study of life. Would biologists study abiotic components in an ecosystem?

Humans are

How much has Earth's mean surface temperature increased since the early twentieth century?

Burning forests will

One of the major effects of an increase in atmospheric carbon dioxide is

The graph below indicates that global temperatures have

Drought, species extinction, and melting of glaciers are all consequences of ________.

Greenhouse gases warm the planet by

Describe how both biotic and abiotic factors can affect the population size of deer in a forest.

Not all gases are greenhouse gases. Which of the following would be a greenhouse gas?

Which of the following activities would have the greatest effect in decreasing greenhouse gases?

An increase in average temperatures worldwide is called

Which of the following is NOT a consequence of climate change?

One consequence of climate change is

Match the term to the correct example. -the average rainfall of a region

Describe how a decrease in plant populations can affect the water cycle.

Climate change increases fires in the rainforest. This will

Which of the following does NOT represent evidence for global warming?

Carbon dioxide levels are increasing because

The Nature of Science

Chemistry of Life

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Cell Division

Patterns of Inheritance

Chromosomes and Human Genetics

What Genes Are

How Genes Work

Evidence for Evolution

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Adaptation and Species

The History of Life

Human Evolution

Growth of Populations

Communities of Organisms

Ecosystems

Homeostasis, Reproduction, and Development

Digestive, Muscular, and Skeletal Systems

Circulatory, Respiratory, Urinary, and Nervous Systems

Endocrine and Immune Systems

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