Question 1

The sea lamprey is an example of a(n) ____________________ species.

Accepted Answer

accidentally introduced

Question 2

The Convention on Biological Diversity was ratified or accepted by 193 countries. Which country was NOT among those who ratified this treaty?

Accepted Answer

A)  Russia 
B)  China 
C)  The United Kingdom 
D)  Canada 
E)  The United States 
A)  Russia 
B)  China 
C)  The United Kingdom 
D)  Canada 
E)  The United States E

Question 3

Chemical pesticides used during the 1950s and 1960s to target the red fire ant caused populations of ____________________to decline.

Accepted Answer

local ants,indigenous ants

Question 4

When it comes to wood products, what is the most important step you can take to help protect endangered species?

Accepted Answer

A)  Do not buy furs or ivory. 
B)  Do not buy wood products from tropical or old-growth forests. 
C)  Do not buy pet animals from the tropics. 
D)  Support your local forester. 
E)  Avoid having campfires. 
A)  Do not buy furs or ivory. 
B)  Do not buy wood products from tropical or old-growth forests. 
C)  Do not buy pet animals from the tropics. 
D)  Support your local forester. 
E)  Avoid having campfires.

Question 5

The current rate of extinction is ____ , compared to the historical background extinction rate.

Accepted Answer

A)  about the same 
B)  slightly less 
C)  up to 1,000 times higher 
D)  almost 1,000 times lower 
E)  fluctuating wildly 
A)  about the same 
B)  slightly less 
C)  up to 1,000 times higher 
D)  almost 1,000 times lower 
E)  fluctuating wildly

Question 6

What is the best way to reduce threats from invasive species?

Accepted Answer

A)  Eradication 
B)  Prevention 
C)  Pesticides 
D)  Genetic engineering 
E)  Technology and science 
A)  Eradication 
B)  Prevention 
C)  Pesticides 
D)  Genetic engineering 
E)  Technology and science

Question 7

A bioprospector is someone who ____.

Accepted Answer

A)  searches for plants that can be used as biofuels 
B)  tests plants and animals in various ecosystems to find chemicals that are potentially useful as medicinal drugs 
C)  searches for new ways to economically exploit animals 
D)  prospects for wild organic foods 
E)  is a biologist and medical doctor who works for a private industry 
A)  searches for plants that can be used as biofuels 
B)  tests plants and animals in various ecosystems to find chemicals that are potentially useful as medicinal drugs 
C)  searches for new ways to economically exploit animals 
D)  prospects for wild organic foods 
E)  is a biologist and medical doctor who works for a private industry

Question 8

The term "biomagnification" means that a chemical ____ at each trophic level in a food chain or web.

Accepted Answer

A)  undergoes chemical changes 
B)  becomes more concentrated 
C)  becomes less concentrated 
D)  changes 
E)  enters the system 
A)  undergoes chemical changes 
B)  becomes more concentrated 
C)  becomes less concentrated 
D)  changes 
E)  enters the system

Question 9

____________________ are environmental indicators because they live in every climate and biome, respond quickly to environmental changes in their habitats, and are fairly easy to track and count.

Accepted Answer

The answer of ____________________ are environmental indicators because they live...

Question 10

In the 1950s and 1960s, birds exposed to excessive levels of the chemical ____________________ were often unable to reproduce successfully because their eggshells were so fragile.

Accepted Answer

The answer of In the 1950s and 1960s, birds exposed...

Question 11

Extinction can occur as the result of habitat fragmentation.

Accepted Answer

A) True 
 B)False

Question 12

A biologist is most likely to say that the European honeybee is ____.

Accepted Answer

A)  endangered 
B)  migrating away because of climate change 
C)  going extinct 
D)  experiencing colony collapse disorder 
E)  threatened 
A)  endangered 
B)  migrating away because of climate change 
C)  going extinct 
D)  experiencing colony collapse disorder 
E)  threatened

Question 13

Aquariums have been effectively used as gene banks for large marine mammals.

Accepted Answer

A) True 
 B)False

Question 14

Explain how introduced species can sometimes become invasive, but can also sometimes be beneficial. Give some examples of each case.

Accepted Answer

Many introduced species can be harmful.

Question 15

The "extinction capital" of the United States is ____.

Accepted Answer

A)  Florida, with 63% of its species at risk 
B)  Key West, with 72% of its species at risk 
C)  California, with 63% of its species at risk 
D)  Hawaii, with 63% of its species at risk 
E)  Puerto Rico, with 63% of its species at risk 
A)  Florida, with 63% of its species at risk 
B)  Key West, with 72% of its species at risk 
C)  California, with 63% of its species at risk 
D)  Hawaii, with 63% of its species at risk 
E)  Puerto Rico, with 63% of its species at risk

Question 16

Which of the following is an important problem in predicting future extinction rates?

Accepted Answer

A)  Scientists often do not know all of the details of the ecological roles of species. 
B)  Most of the world's species have already been identified. 
C)  It is difficult to work out how many individuals are needed for a population to be viable. 
D)  Scientists have no information about extinctions prior to having written human records. 
E)  Mathematical models cannot be used to make these predictions even when detailed data are available for species because the models are so complex. 
A)  Scientists often do not know all of the details of the ecological roles of species. 
B)  Most of the world's species have already been identified. 
C)  It is difficult to work out how many individuals are needed for a population to be viable. 
D)  Scientists have no information about extinctions prior to having written human records. 
E)  Mathematical models cannot be used to make these predictions even when detailed data are available for species because the models are so complex.

Question 17

Would you support legislation that would allocate monetary compensation to land owners to help protect endangered species that occur on their property? Why or why not?

Accepted Answer

Answer will vary, but could include the

Question 18

Figure 8.6 for questions 93 and 94. 
Refer to the accompanying figure. Consider the differences between the historical and current ranges of these animals. What predictions can you make about how these areas may differ?

Accepted Answer

The reductions in ranges are largely due

Question 19

Most species reintroductions fail because a suitable ____________________ is not available.

Accepted Answer

The answer of Most species reintroductions fail because a suitable...

Question 20

The butchering and eating of some forms of bushmeat has helped to spread diseases such as HIV/AIDS and the Ebola virus.

Accepted Answer

A) True 
 B)False

The sea lamprey is an example of a(n) ____________________ species.

The Convention on Biological Diversity was ratified or accepted by 193 countries. Which country was NOT among those who ratified this treaty?

Chemical pesticides used during the 1950s and 1960s to target the red fire ant caused populations of ____________________to decline.

When it comes to wood products, what is the most important step you can take to help protect endangered species?

The current rate of extinction is ____ , compared to the historical background extinction rate.

What is the best way to reduce threats from invasive species?

A bioprospector is someone who ____.

The term "biomagnification" means that a chemical ____ at each trophic level in a food chain or web.

____________________ are environmental indicators because they live in every climate and biome, respond quickly to environmental changes in their habitats, and are fairly easy to track and count.

In the 1950s and 1960s, birds exposed to excessive levels of the chemical ____________________ were often unable to reproduce successfully because their eggshells were so fragile.

Extinction can occur as the result of habitat fragmentation.

A biologist is most likely to say that the European honeybee is ____.

Aquariums have been effectively used as gene banks for large marine mammals.

Explain how introduced species can sometimes become invasive, but can also sometimes be beneficial. Give some examples of each case.

The "extinction capital" of the United States is ____.

Which of the following is an important problem in predicting future extinction rates?

Would you support legislation that would allocate monetary compensation to land owners to help protect endangered species that occur on their property? Why or why not?

Figure 8.6 for questions 93 and 94. Refer to the accompanying figure. Consider the differences between the historical and current ranges of these animals. What predictions can you make about how these areas may differ?

Most species reintroductions fail because a suitable ____________________ is not available.

The butchering and eating of some forms of bushmeat has helped to spread diseases such as HIV/AIDS and the Ebola virus.

The Environment and Sustainability

Science, Matter, Energy and Systems

Ecosystems: What Are They and How Do They Work

Biodiversity and Evolution

Species Interactions, Ecological Succession and Population Control

The Human Population and Urbanization

Climate and Biodiversity

Sustaining Biodiversity: Saving Ecosystems

Food Production and the Environment

Water Resources and Water Pollution

Geology and Nonrenewable Mineral Resources

Energy Resources

Environmental Hazards and Human Health

Air Pollution, Climate Change and Ozone Depletion

Solid and Hazardous Waste

Environmental Economics, Politics and Worldviews

Filters

Exam 8: Sustaining Biodiversity: Saving Species

The sea lamprey is an example of a(n) ____________________ species.

The Convention on Biological Diversity was ratified or accepted by 193 countries. Which country was NOT among those who ratified this treaty?

Chemical pesticides used during the 1950s and 1960s to target the red fire ant caused populations of ____________________to decline.

When it comes to wood products, what is the most important step you can take to help protect endangered species?

The current rate of extinction is ____ , compared to the historical background extinction rate.

What is the best way to reduce threats from invasive species?

A bioprospector is someone who ____.

The term "biomagnification" means that a chemical ____ at each trophic level in a food chain or web.

____________________ are environmental indicators because they live in every climate and biome, respond quickly to environmental changes in their habitats, and are fairly easy to track and count.

In the 1950s and 1960s, birds exposed to excessive levels of the chemical ____________________ were often unable to reproduce successfully because their eggshells were so fragile.

Extinction can occur as the result of habitat fragmentation.

A biologist is most likely to say that the European honeybee is ____.

Aquariums have been effectively used as gene banks for large marine mammals.

Explain how introduced species can sometimes become invasive, but can also sometimes be beneficial. Give some examples of each case.

The "extinction capital" of the United States is ____.

Which of the following is an important problem in predicting future extinction rates?

Would you support legislation that would allocate monetary compensation to land owners to help protect endangered species that occur on their property? Why or why not?

Figure 8.6 for questions 93 and 94. Refer to the accompanying figure. Consider the differences between the historical and current ranges of these animals. What predictions can you make about how these areas may differ?

Most species reintroductions fail because a suitable ____________________ is not available.

The butchering and eating of some forms of bushmeat has helped to spread diseases such as HIV/AIDS and the Ebola virus.

The Environment and Sustainability

Science, Matter, Energy and Systems

Ecosystems: What Are They and How Do They Work

Biodiversity and Evolution

Species Interactions, Ecological Succession and Population Control

The Human Population and Urbanization

Climate and Biodiversity

Sustaining Biodiversity: Saving Ecosystems

Food Production and the Environment

Water Resources and Water Pollution

Geology and Nonrenewable Mineral Resources

Energy Resources

Environmental Hazards and Human Health

Air Pollution, Climate Change and Ozone Depletion

Solid and Hazardous Waste

Environmental Economics, Politics and Worldviews

Filters