Question 1

Less than 5% of U.S.land is protected as wilderness, and most of that is in Alaska.

Accepted Answer

A) True 
 B)False

Question 2

Sixty percent of the world's forests are old-growth forests.

Accepted Answer

A) True 
 B)False

Question 3

Which of the following is not among the countries with the largest areas of old-growth forests?

Accepted Answer

A) Russia 
B) Canada 
C) Brazil 
D) Indonesia 
E) United States 
A) Russia 
B) Canada 
C) Brazil 
D) Indonesia 
E) United States

Question 4

With only 2% of its forests remaining, which of the following countries has gone from tropical paradise to ecological disaster?

Accepted Answer

A) Jamaica 
B) Bermuda 
C) Haiti 
D) Cuba 
E) Virgin Islands 
A) Jamaica 
B) Bermuda 
C) Haiti 
D) Cuba 
E) Virgin Islands

Question 5

According to the World Resources Institute, if the current rates continue, how much of the world's remaining forests will be lost in the next two decades?

Accepted Answer

A) 10% 
B) 20% 
C) 30% 
D) 40% 
E) 50% 
A) 10% 
B) 20% 
C) 30% 
D) 40% 
E) 50%

Question 6

Large areas of undeveloped land that has not been seriously disturbed by humans is called

Accepted Answer

A) national parks 
B) reserves 
C) national forests 
D) biospheres 
E) wilderness 
A) national parks 
B) reserves 
C) national forests 
D) biospheres 
E) wilderness

Question 7

Deforestation losses are concentrated in ____________________ countries.

Accepted Answer

The answer of Deforestation losses are concentrated in ____________________ countries....

Question 8

Parks in developing countries possess the least biodiversity of all parks.

Accepted Answer

A) True 
 B)False

Question 9

The first step in harvesting trees is to build ____________________.

Accepted Answer

The answer of The first step in harvesting trees is...

Question 10

What can you do to help sustain terrestrial biodiversity? All of the following are things each of us can do, except

Accepted Answer

A) Plant trees and take care of them. 
B) Recycle paper and use recycled products. 
C) Buy sustainable wood and wood products. 
D) Help restore nearby degraded forests or grasslands. 
E) Do not plant your yard with local plants. 
A) Plant trees and take care of them. 
B) Recycle paper and use recycled products. 
C) Buy sustainable wood and wood products. 
D) Help restore nearby degraded forests or grasslands. 
E) Do not plant your yard with local plants.

Question 11

Four of the following are ways to grow and harvest trees more sustainably; one is not.Choose the one that is not.

Accepted Answer

A) No clear-cutting on steep slopes. 
B) No logging of old-growth forests. 
C) Identify and protect forest areas high in biodiversity. 
D) Leave most standing dead trees. 
E) Increase road building into uncut areas. 
A) No clear-cutting on steep slopes. 
B) No logging of old-growth forests. 
C) Identify and protect forest areas high in biodiversity. 
D) Leave most standing dead trees. 
E) Increase road building into uncut areas.

Question 12

Unfenced grasslands in tropical and temperate climates that supply forage for grazing animals are called

Accepted Answer

A) pastures 
B) rangeland 
C) savannah 
D) steppes 
E) veldt 
A) pastures 
B) rangeland 
C) savannah 
D) steppes 
E) veldt

Question 13

Illegal, uncontrolled, and unsustainable logging is taking place in at least 70 countries, especially in Africa and Southeast Asia.

Accepted Answer

A) True 
 B)False

Question 14

Humans have reserved ____________________% of the earth's land for human use, with most of the remaining land consisting mostly of ice, tundra, or desert.

Accepted Answer

The answer of Humans have reserved ____________________% of the earth's...

Question 15

Robert Costanza of the University of Vermont estimates the world's forests provide us with ecological services worth how much per year?

Accepted Answer

A) $4.7 trillion 
B) $6.3 trillion 
C) $11.9 trillion 
D) $13.2 trillion 
E) $15 trillion 
A) $4.7 trillion 
B) $6.3 trillion 
C) $11.9 trillion 
D) $13.2 trillion 
E) $15 trillion

Question 16

Most biologists believe that the clearing and degrading of world's remaining old-growth forests is a serious global threat because of important ____________________ and ____________________ services they provide.

Accepted Answer

ecological

Question 17

Protected areas linking isolated reserves is a design called

Accepted Answer

A) habitat corridors 
B) buffer zone concept 
C) wilderness concept 
D) transition zones 
E) reserve concept 
A) habitat corridors 
B) buffer zone concept 
C) wilderness concept 
D) transition zones 
E) reserve concept

Question 18

Overgrazing occurs when too many animals graze for too long and exceed the carrying capacity of a rangeland area.Overgrazing causes all of the following except

Accepted Answer

A) reduced grass cover 
B) exposure of the soil to wind erosion 
C) increased retention of water 
D) compacted soil 
E) encourages invasion by inedible plant species 
A) reduced grass cover 
B) exposure of the soil to wind erosion 
C) increased retention of water 
D) compacted soil 
E) encourages invasion by inedible plant species

Question 19

Four of the following are true about tree plantations; one is not.Choose the one that is not true.

Accepted Answer

A) Repeated cycles of cutting and replanting deplete soil nutrients. 
B) Soil may become so depleted it hinders any type of forest growth. 
C) They probably are more sustainable than old-growth or second-growth forests. 
D) They have less biodiversity than old-growth or second-growth forests. 
E) They are controversial because of genetically engineered tree species. 
A) Repeated cycles of cutting and replanting deplete soil nutrients. 
B) Soil may become so depleted it hinders any type of forest growth. 
C) They probably are more sustainable than old-growth or second-growth forests. 
D) They have less biodiversity than old-growth or second-growth forests. 
E) They are controversial because of genetically engineered tree species.

Question 20

The world's largest system of private natural areas and wildlife sanctuaries has been created by

Accepted Answer

A) European Union 
B) U.S.government 
C) United Nations 
D) Sierra Club 
E) Nature Conservancy 
A) European Union 
B) U.S.government 
C) United Nations 
D) Sierra Club 
E) Nature Conservancy

Exam 10: Sustaining Terrestrial Biodiversity: the Ecosystem Approach

Less than 5% of U.S.land is protected as wilderness, and most of that is in Alaska.

Sixty percent of the world's forests are old-growth forests.

Which of the following is not among the countries with the largest areas of old-growth forests?

With only 2% of its forests remaining, which of the following countries has gone from tropical paradise to ecological disaster?

According to the World Resources Institute, if the current rates continue, how much of the world's remaining forests will be lost in the next two decades?

Large areas of undeveloped land that has not been seriously disturbed by humans is called

Deforestation losses are concentrated in ____________________ countries.

Parks in developing countries possess the least biodiversity of all parks.

The first step in harvesting trees is to build ____________________.

What can you do to help sustain terrestrial biodiversity? All of the following are things each of us can do, except

Four of the following are ways to grow and harvest trees more sustainably; one is not.Choose the one that is not.

Unfenced grasslands in tropical and temperate climates that supply forage for grazing animals are called

Illegal, uncontrolled, and unsustainable logging is taking place in at least 70 countries, especially in Africa and Southeast Asia.

Humans have reserved ____________________% of the earth's land for human use, with most of the remaining land consisting mostly of ice, tundra, or desert.

Robert Costanza of the University of Vermont estimates the world's forests provide us with ecological services worth how much per year?

Most biologists believe that the clearing and degrading of world's remaining old-growth forests is a serious global threat because of important ____________________ and ____________________ services they provide.

Protected areas linking isolated reserves is a design called

Overgrazing occurs when too many animals graze for too long and exceed the carrying capacity of a rangeland area.Overgrazing causes all of the following except

Four of the following are true about tree plantations; one is not.Choose the one that is not true.

The world's largest system of private natural areas and wildlife sanctuaries has been created by

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 Aquatic Biodiversity

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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Most biologists believe that the clearing and degrading of world's remaining old-growth forests is a serious global threat because of important and services they provide.