Question 1

An area of forest that is repeatedly clear-cut and replanted in order to provide commercial wood products is called a(n)

Accepted Answer

A) old growth forest. 
B) tree farm. 
C) pulp mill. 
D) second growth forest. 
E) virgin forest. 
A) old growth forest. 
B) tree farm. 
C) pulp mill. 
D) second growth forest. 
E) virgin forest.

Question 2

Tropical forests account for 25% of the earth's forested areas.

Accepted Answer

A) True 
 B)False

Question 3

Commercial forests grow exclusively Christmas trees.

Accepted Answer

A) True 
 B)False

Question 4

The term "ecological restoration" refers to

Accepted Answer

A) a destructive consequence of road building. 
B) the process of repairing damage caused by humans to the biodiversity and dynamics of natural ecosystems. 
C) the natural cycles of habitat destruction. 
D) the process that corals and sea snails use to create shells using carbonate ions. 
E) an ecological initiative using small scale farming. 
A) a destructive consequence of road building. 
B) the process of repairing damage caused by humans to the biodiversity and dynamics of natural ecosystems. 
C) the natural cycles of habitat destruction. 
D) the process that corals and sea snails use to create shells using carbonate ions. 
E) an ecological initiative using small scale farming.

Question 5

Biodiversity hotspots are

Accepted Answer

A) typically near coral reefs and have low rates of endangered species. 
B) cover more than 25% of the earth's land surface. 
C) areas especially rich in plant species that are found nowhere else and are in great danger of extinction. 
D) freshwater habitats threatened by invasive species. 
E) only found in habitat islands near volcanoes. 
A) typically near coral reefs and have low rates of endangered species. 
B) cover more than 25% of the earth's land surface. 
C) areas especially rich in plant species that are found nowhere else and are in great danger of extinction. 
D) freshwater habitats threatened by invasive species. 
E) only found in habitat islands near volcanoes.

Question 6

According to the National Park Service, air pollution affects scenic views in national parks more than ____ of the time.

Accepted Answer

A) 90% 
B) 75% 
C) 50% 
D) 40% 
E) 30% 
A) 90% 
B) 75% 
C) 50% 
D) 40% 
E) 30%

Question 7

Which statement best describes wilderness areas in the United States?

Accepted Answer

A) They are regions of low biological diversity. 
B) They must be surrounded by development. 
C) They cannot have buffer zones because of regulations. 
D) They are officially designated areas to be undisturbed by humans. 
E) They are areas of significant deforestation. 
A) They are regions of low biological diversity. 
B) They must be surrounded by development. 
C) They cannot have buffer zones because of regulations. 
D) They are officially designated areas to be undisturbed by humans. 
E) They are areas of significant deforestation.

Question 8

In order to maintain ecological integrity and prevent depletion of biodiversity, conservation biologists recommend that a minimum of ____ of the globe's land be protected.

Accepted Answer

A) 5% 
B) 10% 
C) 12% 
D) 20% 
E) 30% 
A) 5% 
B) 10% 
C) 12% 
D) 20% 
E) 30%

Question 9

Ecologists have identified ____ megadiversity countries that contain two thirds of all species.

Accepted Answer

A) 17 
B) 24 
C) 34 
D) 44 
E) 54 
A) 17 
B) 24 
C) 34 
D) 44 
E) 54

Question 10

The removal of a single or small groups of mature trees is called

Accepted Answer

A) selective cutting. 
B) seed-tree cutting. 
C) clear-cutting. 
D) shelterwood cutting. 
E) strip cutting. 
A) selective cutting. 
B) seed-tree cutting. 
C) clear-cutting. 
D) shelterwood cutting. 
E) strip cutting.

Question 11

Why are buffer zones important components of megareserves?

Accepted Answer

Buffer zones allow local and i

Question 12

Forests cover less of the U.S. today than they did in 1920.

Accepted Answer

A) True 
 B)False

Question 13

Critical Thinking
  
-Name the type of harvesting method that has been employed in the area shown in the accompanying figure.

Accepted Answer

The answer of Critical Thinking
  
-Name the type of...

Question 14

____________________ contributes to the greenhouse effect by destroying plants that use carbon dioxide.

Accepted Answer

The answer of ____________________ contributes to the greenhouse effect by...

Question 15

Which approach is being used by some countries to protect and sustain marine biodiversity?

Accepted Answer

A) harvesting the ocean's food supply 
B) understanding that the sea is an inexhaustible resource 
C) establishing marine sanctuaries 
D) focusing on ocean acidification 
E) creating artificial ecosystems 
A) harvesting the ocean's food supply 
B) understanding that the sea is an inexhaustible resource 
C) establishing marine sanctuaries 
D) focusing on ocean acidification 
E) creating artificial ecosystems

Question 16

How have marine reserves helped marine ecosystems?

Accepted Answer

A marine reserve is an area where no hum

Question 17

The removal of a band of trees along a natural contour that allows the forest to regenerate naturally within a few years is called

Accepted Answer

A) selective cutting. 
B) seed-tree cutting. 
C) clear-cutting. 
D) shelterwood cutting. 
E) strip cutting. 
A) selective cutting. 
B) seed-tree cutting. 
C) clear-cutting. 
D) shelterwood cutting. 
E) strip cutting.

Question 18

Large areas of farmlands, woodlands, and green spaces in the United States have been protected by private, nonprofit groups called

Accepted Answer

A) urban green space. 
B) ecologists for conservation. 
C) debt-for-nature. 
D) land trusts. 
E) biosphere conservation. 
A) urban green space. 
B) ecologists for conservation. 
C) debt-for-nature. 
D) land trusts. 
E) biosphere conservation.

Question 19

Conversion of forests and woodlands to agricultural land contributes to the growing problem of ____________________.

Accepted Answer

The answer of Conversion of forests and woodlands to agricultural...

Question 20

According to most scientists, wilderness areas serve which primary purpose?

Accepted Answer

A) providing economic resources 
B) eliminating mining 
C) preserving biological diversity 
D) encouraging subsistence farming 
E) maintaining buffer zones 
A) providing economic resources 
B) eliminating mining 
C) preserving biological diversity 
D) encouraging subsistence farming 
E) maintaining buffer zones

An area of forest that is repeatedly clear-cut and replanted in order to provide commercial wood products is called a(n)

Tropical forests account for 25% of the earth's forested areas.

Commercial forests grow exclusively Christmas trees.

The term "ecological restoration" refers to

Biodiversity hotspots are

According to the National Park Service, air pollution affects scenic views in national parks more than ____ of the time.

Which statement best describes wilderness areas in the United States?

In order to maintain ecological integrity and prevent depletion of biodiversity, conservation biologists recommend that a minimum of ____ of the globe's land be protected.

Ecologists have identified ____ megadiversity countries that contain two thirds of all species.

The removal of a single or small groups of mature trees is called

Why are buffer zones important components of megareserves?

Forests cover less of the U.S. today than they did in 1920.

Critical Thinking -Name the type of harvesting method that has been employed in the area shown in the accompanying figure.

____________________ contributes to the greenhouse effect by destroying plants that use carbon dioxide.

Which approach is being used by some countries to protect and sustain marine biodiversity?

How have marine reserves helped marine ecosystems?

The removal of a band of trees along a natural contour that allows the forest to regenerate naturally within a few years is called

Large areas of farmlands, woodlands, and green spaces in the United States have been protected by private, nonprofit groups called

Conversion of forests and woodlands to agricultural land contributes to the growing problem of ____________________.

According to most scientists, wilderness areas serve which primary purpose?

Environmental Problems, Their Causes, and Sustainability

Science, Matter, Energy, and Systems

Biodiversity and Evolution

Community Ecology, Population Ecology, and the Human Population

Sustaining Biodiversity: The Species Approach

Food, Soil, and Pest Management

Water Resources and Water Pollution

Nonrenewable Energy Resources

Energy Efficiency and Renewable Energy

Environmental Hazards and Human Health

Air Pollution, Climate Change, and Ozone Depletion

Urbanization and Solid and Hazardous Waste

Economics, Politics, Worldviews, and Sustainability

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Exam 6: Sustaining Biodiversity: The Ecosystem Approach

An area of forest that is repeatedly clear-cut and replanted in order to provide commercial wood products is called a(n)

Tropical forests account for 25% of the earth's forested areas.

Commercial forests grow exclusively Christmas trees.

The term "ecological restoration" refers to

Biodiversity hotspots are

According to the National Park Service, air pollution affects scenic views in national parks more than ____ of the time.

Which statement best describes wilderness areas in the United States?

In order to maintain ecological integrity and prevent depletion of biodiversity, conservation biologists recommend that a minimum of ____ of the globe's land be protected.

Ecologists have identified ____ megadiversity countries that contain two thirds of all species.

The removal of a single or small groups of mature trees is called

Why are buffer zones important components of megareserves?

Forests cover less of the U.S. today than they did in 1920.

Critical Thinking -Name the type of harvesting method that has been employed in the area shown in the accompanying figure.

____________________ contributes to the greenhouse effect by destroying plants that use carbon dioxide.

Which approach is being used by some countries to protect and sustain marine biodiversity?

How have marine reserves helped marine ecosystems?

The removal of a band of trees along a natural contour that allows the forest to regenerate naturally within a few years is called

Large areas of farmlands, woodlands, and green spaces in the United States have been protected by private, nonprofit groups called

Conversion of forests and woodlands to agricultural land contributes to the growing problem of ____________________.

According to most scientists, wilderness areas serve which primary purpose?

Environmental Problems, Their Causes, and Sustainability

Science, Matter, Energy, and Systems

Biodiversity and Evolution

Community Ecology, Population Ecology, and the Human Population

Sustaining Biodiversity: The Species Approach

Food, Soil, and Pest Management

Water Resources and Water Pollution

Nonrenewable Energy Resources

Energy Efficiency and Renewable Energy

Environmental Hazards and Human Health

Air Pollution, Climate Change, and Ozone Depletion

Urbanization and Solid and Hazardous Waste

Economics, Politics, Worldviews, and Sustainability

Filters