Question 1

The greatest potential for sustainable growth in fisheries is in

Accepted Answer

A) the major rivers of the world. 
B) aquaculture. 
C) freshwater capture fisheries. 
D) saltwater capture fisheries. 
A) the major rivers of the world. 
B) aquaculture. 
C) freshwater capture fisheries. 
D) saltwater capture fisheries.

Question 2

The most productive systems on land are

Accepted Answer

A) natural prairies. 
B) grasslands. 
C) forests. 
D) tundra. 
A) natural prairies. 
B) grasslands. 
C) forests. 
D) tundra.

Question 3

Global climate change threatens coral reefs by

Accepted Answer

A) decreasing the temperature and increasing the pH of the oceans. 
B) decreasing both the temperature and the pH of the oceans. 
C) increasing the temperature and decreasing the pH of the oceans. 
D) increasing both the temperature and the pH of the oceans. 
A) decreasing the temperature and increasing the pH of the oceans. 
B) decreasing both the temperature and the pH of the oceans. 
C) increasing the temperature and decreasing the pH of the oceans. 
D) increasing both the temperature and the pH of the oceans.

Question 4

In addition to global climate change,humans are negatively impacting coral reefs by

Accepted Answer

A) destructive harvesting of fish for food or pets. 
B) using large amounts of coral rock to pave roads. 
C) destroying large regions of coral reefs for commercial aquaculture. 
D) introducing alien species that are thought to be more productive. 
A) destructive harvesting of fish for food or pets. 
B) using large amounts of coral rock to pave roads. 
C) destroying large regions of coral reefs for commercial aquaculture. 
D) introducing alien species that are thought to be more productive.

Question 5

Most of the national forests in the United States

Accepted Answer

A) have been protected for more than a century from any lumbering activities. 
B) occur in locations where logging is impractical. 
C) have been destroyed by invasive species. 
D) have been managed for commercial timber harvest. 
A) have been protected for more than a century from any lumbering activities. 
B) occur in locations where logging is impractical. 
C) have been destroyed by invasive species. 
D) have been managed for commercial timber harvest.

Question 6

A growing cooperative approach to manage larger ecosystems is building on the combined efforts of

Accepted Answer

A) national,state,and local government agencies. 
B) government agencies,environmental groups,and private individuals. 
C) men,women,and children. 
D) governments and private businesses. 
A) national,state,and local government agencies. 
B) government agencies,environmental groups,and private individuals. 
C) men,women,and children. 
D) governments and private businesses.

Question 7

The Santa Cruz River in Arizona has suffered from depletion from irrigation withdrawal for decades,and now natural and social scientists are asking stakeholders to

Accepted Answer

A) observe a ten year moratorium on irrigation. 
B) help develop a user policy by identifying the river's services of major economic importance. 
C) bid at auction for the right to use the river for irrigation. 
D) take as much water as they can before the river runs completely dry. 
A) observe a ten year moratorium on irrigation. 
B) help develop a user policy by identifying the river's services of major economic importance. 
C) bid at auction for the right to use the river for irrigation. 
D) take as much water as they can before the river runs completely dry.

Question 8

What global event happened about 35 years ago that helped some fishing areas recover?

Accepted Answer

A) All commercial fishing was limited to hand lines instead of nets. 
B) Nations extended their jurisdiction from 12 to 200 miles offshore. 
C) The size of the vessels used for commercial fishing was restricted to 200 tons. 
D) International agreements limited the size of fish that could be kept and sold. 
A) All commercial fishing was limited to hand lines instead of nets. 
B) Nations extended their jurisdiction from 12 to 200 miles offshore. 
C) The size of the vessels used for commercial fishing was restricted to 200 tons. 
D) International agreements limited the size of fish that could be kept and sold.

Question 9

Which one of the following best represents the productive use of a natural resource?

Accepted Answer

A) A man in Colorado burns wood from his property as a source of heat for his home. 
B) A family on vacation catches trout,which they will enjoy for dinner that evening. 
C) A woman gathers mushrooms from a forest to sell in the local produce market. 
D) Deep in the Congo,a man kills a bush pig to feed his family for the next week. 
A) A man in Colorado burns wood from his property as a source of heat for his home. 
B) A family on vacation catches trout,which they will enjoy for dinner that evening. 
C) A woman gathers mushrooms from a forest to sell in the local produce market. 
D) Deep in the Congo,a man kills a bush pig to feed his family for the next week.

Question 10

Most coral reefs are located in shallow water that is no more than 75 meters deep because below this depth,

Accepted Answer

A) water temperatures are too cold. 
B) water currents are too fast. 
C) sunlight levels are too low. 
D) there is not enough oxygen. 
A) water temperatures are too cold. 
B) water currents are too fast. 
C) sunlight levels are too low. 
D) there is not enough oxygen.

Question 11

The National Park Service struggles to maintain a balance between

Accepted Answer

A) hunting in national parks and ecotourism. 
B) mining and logging in national parks and protection of the unique ecosystems. 
C) protecting unique ecosystems and permitting public access. 
D) hunting and the development of resorts in national parks. 
A) hunting in national parks and ecotourism. 
B) mining and logging in national parks and protection of the unique ecosystems. 
C) protecting unique ecosystems and permitting public access. 
D) hunting and the development of resorts in national parks.

Question 12

The most ecologically sustainable meat with the lowest environmental impact would be

Accepted Answer

A) open ocean aquaculture of salmon or shrimp. 
B) harvesting wild populations of predatory species such as sharks. 
C) open ocean aquaculture of fish or mollusks that feed on phytoplankton. 
D) converting mangroves to aquaculture of fish or mollusks that feed on phytoplankton. 
A) open ocean aquaculture of salmon or shrimp. 
B) harvesting wild populations of predatory species such as sharks. 
C) open ocean aquaculture of fish or mollusks that feed on phytoplankton. 
D) converting mangroves to aquaculture of fish or mollusks that feed on phytoplankton.

The greatest potential for sustainable growth in fisheries is in

The most productive systems on land are

Global climate change threatens coral reefs by

In addition to global climate change,humans are negatively impacting coral reefs by

Most of the national forests in the United States

A growing cooperative approach to manage larger ecosystems is building on the combined efforts of

The Santa Cruz River in Arizona has suffered from depletion from irrigation withdrawal for decades,and now natural and social scientists are asking stakeholders to

What global event happened about 35 years ago that helped some fishing areas recover?

Which one of the following best represents the productive use of a natural resource?

Most coral reefs are located in shallow water that is no more than 75 meters deep because below this depth,

The National Park Service struggles to maintain a balance between

The most ecologically sustainable meat with the lowest environmental impact would be

Science and the Environment

Economics, Politics, and Public Policy

Basic Needs of Living Things

Populations and Communities

Ecosystems: Energy, Patterns, and Disturbance

Wild Species and Biodiversity

The Human Population

Population and Development

Water: Hydrologic Cycle and Human Use

Soil: Foundation for Land Ecosystems

The Production and Distribution of Food

Pests and Pest Control

Energy From Fossil Fuels

Nuclear Power

Renewable Energy

Environmental Hazards and Human Health

Global Climate Change

Atmospheric Pollution

Water Pollution and Its Prevention

Municipal Solid Waste: Disposal and Recovery

Hazardous Chemicals: Pollution and Prevention

Sustainable Communities and Lifestyles

Filters

Exam 7: The Use and Restoration of Ecosystems

The greatest potential for sustainable growth in fisheries is in

The most productive systems on land are

Global climate change threatens coral reefs by

In addition to global climate change,humans are negatively impacting coral reefs by

Most of the national forests in the United States

A growing cooperative approach to manage larger ecosystems is building on the combined efforts of

The Santa Cruz River in Arizona has suffered from depletion from irrigation withdrawal for decades,and now natural and social scientists are asking stakeholders to

What global event happened about 35 years ago that helped some fishing areas recover?

Which one of the following best represents the productive use of a natural resource?

Most coral reefs are located in shallow water that is no more than 75 meters deep because below this depth,

The National Park Service struggles to maintain a balance between

The most ecologically sustainable meat with the lowest environmental impact would be

Science and the Environment

Economics, Politics, and Public Policy

Basic Needs of Living Things

Populations and Communities

Ecosystems: Energy, Patterns, and Disturbance

Wild Species and Biodiversity

The Human Population

Population and Development

Water: Hydrologic Cycle and Human Use

Soil: Foundation for Land Ecosystems

The Production and Distribution of Food

Pests and Pest Control

Energy From Fossil Fuels

Nuclear Power

Renewable Energy

Environmental Hazards and Human Health

Global Climate Change

Atmospheric Pollution

Water Pollution and Its Prevention

Municipal Solid Waste: Disposal and Recovery

Hazardous Chemicals: Pollution and Prevention

Sustainable Communities and Lifestyles

Filters