Question 1

About 50 percent of the human population lives near ________ ecosystems.

Accepted Answer

coastal

Question 2

Using more "green" building materials,recycling more waste,using bicycles more,and reducing the use of fossil fuels are examples of ways that we can work toward ________.

Accepted Answer

sustainability

Question 3

Humans now use approximately 30-35 percent of the terrestrial net primary productivity (NPP).One result of this increased human control of NPP is that

Accepted Answer

A)  human hunger has been virtually eliminated. 
B)  the number of species on Earth has increased. 
C)  humans are often in direct competition with other species for food and other natural resources. 
D)  we have learned how to manage Earth's resources so that all species have the resources they need to survive. 
A)  human hunger has been virtually eliminated. 
B)  the number of species on Earth has increased. 
C)  humans are often in direct competition with other species for food and other natural resources. 
D)  we have learned how to manage Earth's resources so that all species have the resources they need to survive. C

Question 4

The effects of global warming have already been detected in both aquatic and terrestrial ecosystems.

Accepted Answer

A) True 
 B)False

Question 5

Which of the following cycles appears to make the greatest contribution to climate change?

Accepted Answer

A)  the phosphorus cycle 
B)  the carbon cycle 
C)  the sulfur cycle 
D)  the nitrogen cycle 
A)  the phosphorus cycle 
B)  the carbon cycle 
C)  the sulfur cycle 
D)  the nitrogen cycle

Question 6

Having a sustainable impact on the Earth and our biosphere means that we must

Accepted Answer

A)  produce more fertilizers to feed a growing population. 
B)  take advantage of global warming by growing more crops in areas that were previously unavailable for agriculture. 
C)  find ways to recycle carbon dioxide more rapidly. 
D)  create better balances between our consumption of resources and the rates at which they can be replenished. 
A)  produce more fertilizers to feed a growing population. 
B)  take advantage of global warming by growing more crops in areas that were previously unavailable for agriculture. 
C)  find ways to recycle carbon dioxide more rapidly. 
D)  create better balances between our consumption of resources and the rates at which they can be replenished.

Question 7

A shift in the geographic range of a species due to global changes has caused the blindness that is now threatening cheetahs in Africa.

Accepted Answer

A) True 
 B)False

Question 8

Wetlands are one of the few habitats to have escaped human-caused destruction; the worldwide distribution of wetlands has remained relatively stable for the past 200 years.

Accepted Answer

A) True 
 B)False

Question 9

Ample evidence now demonstrates that human activities are strongly associated with global warming.

Accepted Answer

A) True 
 B)False

Question 10

Plants remove carbon dioxide from the atmosphere through the process of ________.

Accepted Answer

The answer of Plants remove carbon dioxide from the atmosphere...

Question 11

The physical and biotic changes humans make to the land surface of Earth are collectively known as land ________.

Accepted Answer

The answer of The physical and biotic changes humans make...

Question 12

An unusual aspect of the recent rise in atmospheric CO₂ levels is that

Accepted Answer

A)  scientists have not been able to determine how it is happening. 
B)  CO₂ reacts so quickly with other compounds that this increase should not be happening. 
C)  it has happened relatively slowly. 
D)  it has happened relatively rapidly. 
A)  scientists have not been able to determine how it is happening. 
B)  CO₂ reacts so quickly with other compounds that this increase should not be happening. 
C)  it has happened relatively slowly. 
D)  it has happened relatively rapidly.

Question 13

Which of the following statements describes a major difference between human-caused global change and global change that occurs naturally?

Accepted Answer

A)  Human-caused global change occurs more quickly, leaving organisms less time to adapt. 
B)  Human-caused global changes are smaller in scale than naturally caused changes. 
C)  Naturally caused global change occurs at only one place on Earth at a time. 
D)  Naturally caused global changes are limited to the terrestrial habitats where humans live. 
A)  Human-caused global change occurs more quickly, leaving organisms less time to adapt. 
B)  Human-caused global changes are smaller in scale than naturally caused changes. 
C)  Naturally caused global change occurs at only one place on Earth at a time. 
D)  Naturally caused global changes are limited to the terrestrial habitats where humans live.

Question 14

The single most significant human-caused contribution to the worldwide increase in atmospheric carbon dioxide levels is

Accepted Answer

A)  acid rain and the subsequent chemical reactions that release carbon dioxide from the soil. 
B)  the use of nitrogen supplements that accelerate decompositional activity and recycle carbon before it can become sequestered in the soil. 
C)  the burning of fossil fuels and the subsequent emission of carbon dioxide. 
D)  deforestation and the subsequent decline in photosynthesis. 
A)  acid rain and the subsequent chemical reactions that release carbon dioxide from the soil. 
B)  the use of nitrogen supplements that accelerate decompositional activity and recycle carbon before it can become sequestered in the soil. 
C)  the burning of fossil fuels and the subsequent emission of carbon dioxide. 
D)  deforestation and the subsequent decline in photosynthesis.

Question 15

A human-made chemical bioaccumulates if it is easily absorbed by an organism and then quickly broken down and excreted by the organism.

Accepted Answer

A) True 
 B)False

Question 16

Which of the following phenomena is NOT evidence of global warming?

Accepted Answer

A)  During the last decade from 2001-2010, the highest temperatures in history have been recorded. 
B)  In Europe, bird and butterfly species have shifted their ranges northward. 
C)  The frequency of severe weather and the length of storm seasons have decreased. 
D)  Plants in northern latitudes have increased the length of their growing seasons. 
A)  During the last decade from 2001-2010, the highest temperatures in history have been recorded. 
B)  In Europe, bird and butterfly species have shifted their ranges northward. 
C)  The frequency of severe weather and the length of storm seasons have decreased. 
D)  Plants in northern latitudes have increased the length of their growing seasons.

Question 17

Long-lived synthetic organic molecules that bioaccumulate in organisms are referred to as ________.

Accepted Answer

persistent organic p

Question 18

Increased carbon dioxide levels in the atmosphere cause the pH levels of oceans to ________.

Accepted Answer

The answer of Increased carbon dioxide levels in the atmosphere...

Question 19

Ample evidence now shows that worldwide environmental changes are occurring.One example of these changes is the

Accepted Answer

A)  increased net primary productivity observed within the world's aquatic ecosystems. 
B)  widespread increase of invasive species. 
C)  moderate decline in atmospheric carbon dioxide concentrations. 
D)  expansion of forested land as tree replanting efforts become more accepted. 
A)  increased net primary productivity observed within the world's aquatic ecosystems. 
B)  widespread increase of invasive species. 
C)  moderate decline in atmospheric carbon dioxide concentrations. 
D)  expansion of forested land as tree replanting efforts become more accepted.

Question 20

Climate change has not started and it can be prevented with timely action.

Accepted Answer

A) True 
 B)False

Exam 25: Global Change

About 50 percent of the human population lives near ________ ecosystems.

Using more "green" building materials,recycling more waste,using bicycles more,and reducing the use of fossil fuels are examples of ways that we can work toward ________.

Humans now use approximately 30-35 percent of the terrestrial net primary productivity (NPP).One result of this increased human control of NPP is that

The effects of global warming have already been detected in both aquatic and terrestrial ecosystems.

Which of the following cycles appears to make the greatest contribution to climate change?

Having a sustainable impact on the Earth and our biosphere means that we must

A shift in the geographic range of a species due to global changes has caused the blindness that is now threatening cheetahs in Africa.

Wetlands are one of the few habitats to have escaped human-caused destruction; the worldwide distribution of wetlands has remained relatively stable for the past 200 years.

Ample evidence now demonstrates that human activities are strongly associated with global warming.

Plants remove carbon dioxide from the atmosphere through the process of ________.

The physical and biotic changes humans make to the land surface of Earth are collectively known as land ________.

An unusual aspect of the recent rise in atmospheric CO₂ levels is that

Which of the following statements describes a major difference between human-caused global change and global change that occurs naturally?

The single most significant human-caused contribution to the worldwide increase in atmospheric carbon dioxide levels is

A human-made chemical bioaccumulates if it is easily absorbed by an organism and then quickly broken down and excreted by the organism.

Which of the following phenomena is NOT evidence of global warming?

Long-lived synthetic organic molecules that bioaccumulate in organisms are referred to as ________.

Increased carbon dioxide levels in the atmosphere cause the pH levels of oceans to ________.

Ample evidence now shows that worldwide environmental changes are occurring.One example of these changes is the

Climate change has not started and it can be prevented with timely action.

The Nature of Science and the Characteristics of Life

The Chemistry of Life

Cell Structure and Internal Compartments

Cell Membranes, Transport, and Communication

Energy, Metabolism, and Enzymes

Photo Synthesis and Cellular Respiration

Cell Division

Cancer and Human Health

Patterns of Inheritance

Chromosomes and Human Genetics

DNA and Genes

From Gene to Protein

DNA Technology

How Evolution Works

The Origin of Species

The Evolution of Biodiversity

Biological Diversity, Bacteria, and Archaea

Protista, Plantae, and Fungi

Animalia

The Biosphere

Growth of Populations

Animal Behavior

Ecological Communities

Ecosystems

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