Question 1

The ____________________ population is decreasing in Lake Victoria because it has reduced its food source.

Accepted Answer

The answer of The ____________________ population is decreasing in Lake...

Question 2

On a global scale, overfishing is a concern, with at least _____ percent of global fish stocks being overexploited or depleted.

Accepted Answer

The answer of On a global scale, overfishing is a...

Question 3

How much faster are coastal habitats disappearing than the tropical forests?

Accepted Answer

A) about the same 
B) only a little bit faster 
C) 2-10 times faster 
D) 15 times faster 
E) 20 times faster 
A) about the same 
B) only a little bit faster 
C) 2-10 times faster 
D) 15 times faster 
E) 20 times faster

Question 4

Decades of degrading the Everglades has resulted in all of the following, except

Accepted Answer

A) 90% of wading birds have vanished. 
B) Populations of vertebrates such as deer are down 75─95%. 
C) Florida Bay, south of the everglades, has become saltier and warmer. 
D) Lake Okeechobee has been expanded. 
E) Algal blooms cover as much as 40% of Florida Bay. 
A) 90% of wading birds have vanished. 
B) Populations of vertebrates such as deer are down 75─95%. 
C) Florida Bay, south of the everglades, has become saltier and warmer. 
D) Lake Okeechobee has been expanded. 
E) Algal blooms cover as much as 40% of Florida Bay.

Question 5

The Columbia River has 119 dams and a fish problem.If you were the person in charge of determining what to do, what would you decide? Would you seek to free up the river in favor of the fish, or would you make a few accommodations for the fish and leave the dams in place? Explain.

Accepted Answer

The intent of these questions is to high

Question 6

Biologist E.O.Wilson proposed a list of priorities for protecting aquatic biodiversity.Which one of the following is not one of those priorities?

Accepted Answer

A) complete mapping of the world's aquatic biodiversity 
B) Identify and preserve the world's aquatic biodiversity hot spots. 
C) Stop the melting of the arctic ice. 
D) Protect and restore the world's lakes and river systems. 
E) Find ways to increase incomes of people living in or near biodiversity reserves. 
A) complete mapping of the world's aquatic biodiversity 
B) Identify and preserve the world's aquatic biodiversity hot spots. 
C) Stop the melting of the arctic ice. 
D) Protect and restore the world's lakes and river systems. 
E) Find ways to increase incomes of people living in or near biodiversity reserves.

Question 7

In 2010 the UN indicates what percentage of the world's people are living along or near the ocean coasts?

Accepted Answer

A) 80% 
B) 60% 
C) 50% 
D) 40% 
E) 20% 
A) 80% 
B) 60% 
C) 50% 
D) 40% 
E) 20%

Question 8

Which of the following is a major threat to biodiversity and ecological function of the Great Lakes?

Accepted Answer

A) invasive nonnative species 
B) ocean sea level rise 
C) saltwater intrusion 
D) acidification 
E) tourism 
A) invasive nonnative species 
B) ocean sea level rise 
C) saltwater intrusion 
D) acidification 
E) tourism

Question 9

Canada's 500-year-old Atlantic cod fishery collapsed and was closed in 1992.The cod population still has not recovered, despite a total ban on fishing.

Accepted Answer

A) True 
 B)False

Question 10

The first step in protecting and sustaining the world's marine fisheries is to make the best possible estimates of their fish and shellfish ____________________.

Accepted Answer

The answer of The first step in protecting and sustaining...

Question 11

_______________ is an invasive species along the east coast of North America that was probably released from outdoor aquariums damaged by Hurricane Andrew in 1992.

Accepted Answer

The answer of _______________ is an invasive species along the...

Question 12

As a result of changes in and around the Everglades, it is now less than __________ its original size and much of it has dried out.

Accepted Answer

The answer of As a result of changes in and...

Question 13

Coastal wetland destruction in industrial countries is lower than the destruction in less-developed countries.

Accepted Answer

A) True 
 B)False

Question 14

Sea bottom habitats are the only habitats that are not being destroyed or degraded.

Accepted Answer

A) True 
 B)False

Question 15

Oceans will become more acidic as a result of the absorption of carbon dioxide and will remain so for thousands of years.

Accepted Answer

A) True 
 B)False

Question 16

All of the following species are a threat, or a potential threat, to the Great Lakes except

Accepted Answer

A) sea lamprey 
B) zebra mussel 
C) jellyfish 
D) quagga mussel 
E) Asian carp 
A) sea lamprey 
B) zebra mussel 
C) jellyfish 
D) quagga mussel 
E) Asian carp

Question 17

The UN estimates that ____________________% of all ocean pollution comes from land-based coastal activities.

Accepted Answer

The answer of The UN estimates that ____________________% of all...

Question 18

Use the Figure above to answer the following question(s).
-In approximately what year did the catch begin to rise again?

Accepted Answer

The answer of   
Use the Figure above to...

Question 19

In order to increase what is known about biodiversity in the oceans, researchers intend to release which of the following?

Accepted Answer

A) high-altitude balloons 
B) miniature autonomous robots 
C) specially trained dolphins 
D) several new surface research vessels 
E) colored dyes 
A) high-altitude balloons 
B) miniature autonomous robots 
C) specially trained dolphins 
D) several new surface research vessels 
E) colored dyes

Question 20

We have limited knowledge about both freshwater and marine biodiversity.

Accepted Answer

A) True 
 B)False

Exam 11: Sustaining Aquatic Biodiversity

The ____________________ population is decreasing in Lake Victoria because it has reduced its food source.

On a global scale, overfishing is a concern, with at least _____ percent of global fish stocks being overexploited or depleted.

How much faster are coastal habitats disappearing than the tropical forests?

Decades of degrading the Everglades has resulted in all of the following, except

The Columbia River has 119 dams and a fish problem.If you were the person in charge of determining what to do, what would you decide? Would you seek to free up the river in favor of the fish, or would you make a few accommodations for the fish and leave the dams in place? Explain.

Biologist E.O.Wilson proposed a list of priorities for protecting aquatic biodiversity.Which one of the following is not one of those priorities?

In 2010 the UN indicates what percentage of the world's people are living along or near the ocean coasts?

Which of the following is a major threat to biodiversity and ecological function of the Great Lakes?

Canada's 500-year-old Atlantic cod fishery collapsed and was closed in 1992.The cod population still has not recovered, despite a total ban on fishing.

The first step in protecting and sustaining the world's marine fisheries is to make the best possible estimates of their fish and shellfish ____________________.

_______________ is an invasive species along the east coast of North America that was probably released from outdoor aquariums damaged by Hurricane Andrew in 1992.

As a result of changes in and around the Everglades, it is now less than __________ its original size and much of it has dried out.

Coastal wetland destruction in industrial countries is lower than the destruction in less-developed countries.

Sea bottom habitats are the only habitats that are not being destroyed or degraded.

Oceans will become more acidic as a result of the absorption of carbon dioxide and will remain so for thousands of years.

All of the following species are a threat, or a potential threat, to the Great Lakes except

The UN estimates that ____________________% of all ocean pollution comes from land-based coastal activities.

Use the Figure above to answer the following question(s). -In approximately what year did the catch begin to rise again?

In order to increase what is known about biodiversity in the oceans, researchers intend to release which of the following?

We have limited knowledge about both freshwater and marine biodiversity.

Environmental Problems, Their Causes, and Sustainability

Science, Matter, Energy, and Systems

Ecosystems: What Are They and How Do They Work

Biodiversity and Evolution

Biodiversity, Species Interactions, and Population Control

The Human Population and Its Impact

Climate and Biodiversity

Aquatic Biodiversity

Sustaining Biodiversity: the Species Approach

Sustaining Terrestrial Biodiversity: the Ecosystem Approach

Food, Soil, and Pest Management

Water Resources

Geology and Nonrenewable Mineral Resources

Nonrenewable Energy

Energy Efficiency and Renewable Energy

Environmental Hazards and Human Health

Air Pollution

Climate Disruption and Ozone Depletion

Water Pollution

Solid and Hazardous Waste

Cities and Sustainability

Economics, Environment, and Sustainability

Politics, Environment, and Sustainability

Environmental Worldviews, Ethics, and Sustainability

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