Question 1

Forests cover about ____% of the U.S. land area.

Accepted Answer

A) 0 
B) 3 
C) 10 
D) 30 
E) 50 
A) 0 
B) 3 
C) 10 
D) 30 
E) 50

Question 2

Brazil has more than ____________________% of the world's remaining tropical rain forests.

Accepted Answer

The answer of Brazil has more than ____________________% of the...

Question 3

Use Figure 10-A (above)for questions 1 - 3. What is the value of nature's regulation of the climate in dollars per year?

Accepted Answer

approximat

Question 4

Surface fires ____.

Accepted Answer

A) increase topsoil erosion 
B) kill large numbers of wildlife 
C) usually burn only undergrowth and leaf litter on the forest floor 
D) usually burn whole trees from the base up 
E) spread rapidly and can destroy most vegetation 
A) increase topsoil erosion 
B) kill large numbers of wildlife 
C) usually burn only undergrowth and leaf litter on the forest floor 
D) usually burn whole trees from the base up 
E) spread rapidly and can destroy most vegetation

Question 5

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

Accepted Answer

A) True 
 B)False

Question 6

If current deforestation rates continue about 40% of all the world's remaining intact forests will have been logged or converted to other uses in 20 years.

Accepted Answer

A) True 
 B)False

Question 7

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 8

Which of method is effective in reducing tropical deforestation?

Accepted Answer

A) Educate settlers about sustainable forestry/agriculture. 
B) Certify sustainably grown timber. 
C) Reduce poverty. 
D) Protect the most diverse and endangered areas. 
E) All of these 
A) Educate settlers about sustainable forestry/agriculture. 
B) Certify sustainably grown timber. 
C) Reduce poverty. 
D) Protect the most diverse and endangered areas. 
E) All of these

Question 9

Four of the following are measures to speed up ecosystem recovery; one is not. Choose the one that is not.

Accepted Answer

A) rehabilitation 
B) secondary succession 
C) replacement 
D) creating artificial ecosystems 
E) restoration 
A) rehabilitation 
B) secondary succession 
C) replacement 
D) creating artificial ecosystems 
E) restoration

Question 10

In 1995-1996, gray wolves were re-introduced to Yellowstone National Park. Since then, which of the following has occurred?

Accepted Answer

A) Scavengers are not able to find food. 
B) Beaver dams have disappeared from the streams. 
C) Elk have increasingly trampled regrowth of aspen, cottonwoods, and willow trees. 
D) Shade trees growing along streams have encouraged larger trout populations. 
E) Coyote populations have decreased the number of small mammals. 
A) Scavengers are not able to find food. 
B) Beaver dams have disappeared from the streams. 
C) Elk have increasingly trampled regrowth of aspen, cottonwoods, and willow trees. 
D) Shade trees growing along streams have encouraged larger trout populations. 
E) Coyote populations have decreased the number of small mammals.

Question 11

Forest fires are not a major threat to forest ecosystems as part of a natural cycle.

Accepted Answer

A) True 
 B)False

Question 12

Which of the following is not an economic service provided by forests?

Accepted Answer

A) fuelwood 
B) mining 
C) erosion reduction 
D) lumber 
E) recreation 
A) fuelwood 
B) mining 
C) erosion reduction 
D) lumber 
E) recreation

Question 13

Forests, both natural and planted, occupy how much of the earth's land surface, other than Greenland and Antarctica?

Accepted Answer

A) 40% 
B) 24% 
C) 31% 
D) 16% 
E) 5% 
A) 40% 
B) 24% 
C) 31% 
D) 16% 
E) 5%

Question 14

Even though parks in less-developed countries have the greatest biodiversity, only about ____________________% of them are protected.

Accepted Answer

The answer of Even though parks in less-developed countries have...

Question 15

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 16

A 1997 report estimated the value of the ecological services provided to humans by forests to be at least $4.7 trillion.

Accepted Answer

A) True 
 B)False

Question 17

Some scientists urge the adoption of a(n)____________________ strategy to identify and quickly protect biodiversity hotspots.

Accepted Answer

The answer of Some scientists urge the adoption of a(n)____________________...

Question 18

Overgrazing is a significant cause of degradation of grassland in the United States. Why is overgrazing so devastating to grassland? Why would the people who control grazing allow overgrazing to happen, given what we know about the problems associated with it?

Accepted Answer

Overgrazing removes not only the upper p

Question 19

What term refers to the process of repairing damage caused by humans to the biodiversity and ecosystem services provided by ecosystems?

Accepted Answer

A) ecological restoration 
B) ecological rehabilitation 
C) ecological conservation 
D) ecological preservation 
E) ecological reconciliation 
A) ecological restoration 
B) ecological rehabilitation 
C) ecological conservation 
D) ecological preservation 
E) ecological reconciliation

Question 20

Which of the following is a disadvantage of clear-cutting?

Accepted Answer

A) low timber yield 
B) cannot reforest with fast-growing trees 
C) destroys and fragments wildlife habitats 
D) low profits in the short-term 
E) increases surface fires 
A) low timber yield 
B) cannot reforest with fast-growing trees 
C) destroys and fragments wildlife habitats 
D) low profits in the short-term 
E) increases surface fires

Forests cover about ____% of the U.S. land area.

Brazil has more than ____________________% of the world's remaining tropical rain forests.

Use Figure 10-A (above)for questions 1 - 3. What is the value of nature's regulation of the climate in dollars per year?

Surface fires ____.

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

If current deforestation rates continue about 40% of all the world's remaining intact forests will have been logged or converted to other uses in 20 years.

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

Which of method is effective in reducing tropical deforestation?

Four of the following are measures to speed up ecosystem recovery; one is not. Choose the one that is not.

In 1995-1996, gray wolves were re-introduced to Yellowstone National Park. Since then, which of the following has occurred?

Forest fires are not a major threat to forest ecosystems as part of a natural cycle.

Which of the following is not an economic service provided by forests?

Forests, both natural and planted, occupy how much of the earth's land surface, other than Greenland and Antarctica?

Even though parks in less-developed countries have the greatest biodiversity, only about ____________________% of them are protected.

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?

A 1997 report estimated the value of the ecological services provided to humans by forests to be at least $4.7 trillion.

Some scientists urge the adoption of a(n)____________________ strategy to identify and quickly protect biodiversity hotspots.

Overgrazing is a significant cause of degradation of grassland in the United States. Why is overgrazing so devastating to grassland? Why would the people who control grazing allow overgrazing to happen, given what we know about the problems associated with it?

What term refers to the process of repairing damage caused by humans to the biodiversity and ecosystem services provided by ecosystems?

Which of the following is a disadvantage of clear-cutting?

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

Filters

Exam 10: Sustaining Terrestrial Biodiversity: The Ecosystem Approach

Forests cover about ____% of the U.S. land area.

Brazil has more than ____________________% of the world's remaining tropical rain forests.

Use Figure 10-A (above)for questions 1 - 3. What is the value of nature's regulation of the climate in dollars per year?

Surface fires ____.

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

If current deforestation rates continue about 40% of all the world's remaining intact forests will have been logged or converted to other uses in 20 years.

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

Which of method is effective in reducing tropical deforestation?

Four of the following are measures to speed up ecosystem recovery; one is not. Choose the one that is not.

In 1995-1996, gray wolves were re-introduced to Yellowstone National Park. Since then, which of the following has occurred?

Forest fires are not a major threat to forest ecosystems as part of a natural cycle.

Which of the following is not an economic service provided by forests?

Forests, both natural and planted, occupy how much of the earth's land surface, other than Greenland and Antarctica?

Even though parks in less-developed countries have the greatest biodiversity, only about ____________________% of them are protected.

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?

A 1997 report estimated the value of the ecological services provided to humans by forests to be at least $4.7 trillion.

Some scientists urge the adoption of a(n)____________________ strategy to identify and quickly protect biodiversity hotspots.

Overgrazing is a significant cause of degradation of grassland in the United States. Why is overgrazing so devastating to grassland? Why would the people who control grazing allow overgrazing to happen, given what we know about the problems associated with it?

What term refers to the process of repairing damage caused by humans to the biodiversity and ecosystem services provided by ecosystems?

Which of the following is a disadvantage of clear-cutting?

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

Filters