Question 1

Most of Madagascar's native species exist only on Madagascar because the island

Accepted Answer

A)  as among the largest on the earth.
B)  is a biodiversity hotspot.
C)  as been isolated for approximately 40 million years.
D)  is tropical.
E)  is situated far from other biodiversity hot spots..F) B) and D)
G) A) and C)

Question 2

An arrangement where a developing nation protects some forest area in exchange for debt relief or financial support from a developed nation is called

Accepted Answer

A)  bankruptcy.
B)  a conservation easement.
C)  a land sale.
D)  a debt for nature swap.
E)  a conservation concession.F) A) and B)
G) A) and C)

Question 3

The U.S. has set aside a larger proportion of land area for biodiversity than any other country in the world.

Accepted Answer

A) True 
 B)False

Question 4

List and define four types of ecological restoration. Why is restoration important?

Accepted Answer

Restoration: returning a degraded area t...

Question 5

What country contains the highest concentration of endangered animals?

Accepted Answer

A)  Mexico
B)  United States of America
C)  Costa Rica
D)  Trinidad and Tobago
E)  TanzaniaF) B) and C)
G) A) and D)

Question 6

Zebra mussels have been successful invasive species in the Great Lakes because they

Accepted Answer

A)  can survive in dam rivers, which restrict natural river flow.
B)  have no natural enemies.
C)  destroy wetlands.
D)  arrived in the ballast water of a European ship.
E)  suck the blood out of almost any kind of fish.F) D) and E)
G) A) and B) B

Question 7

Identify the four steps to tropical deforestation.

Accepted Answer

Road cutting for logging and settlement, followed by logging, then ranching (and typically) overgrazing, and finally settlement and soil depletion.

Question 8

Reversing environmental damage to the biodiversity and natural dynamics of an ecosystem caused by humans is called ____________________.

Accepted Answer

ecological...

Question 9

Currently, ____ of the earth's land area is protected either strictly or partially by nature reserves, parks, wildlife refuges, wilderness and other areas.

Accepted Answer

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

Question 10

Which of the following statements is true about tree plantations?

Accepted Answer

A)  Tree plantations decrease overall forest biodiversity.
B)  Tree plantations increase overall forest biodiversity.
C)  The majority of tree plantations in the U.S. have been replaced by old-growth forests.
D)  Tree plantations are best established on land that has not been degraded.
E)  More tree plantations in the U.S. will lead the way for more biologically diverse primary growth forests.F) B) and C)
G) A) and D)

Question 11

Currently, most of the world's forests are

Accepted Answer

A)  secondary-growth.
B)  old-growth.
C)  tree plantations.
D)  clear cut.
E)  protected.F) D) and E)
G) A) and B) A

Question 12

An arrangement where a developing nation receives payment from a developed nation to preserve their natural resources is called

Accepted Answer

A)  bankruptcy.
B)  a conservation easement.
C)  a land sale.
D)  a debt for nature swap.
E)  a conservation concession.F) B) and E)
G) A) and E)

Question 13

Which of the following statements about tropical forests is false?

Accepted Answer

A)  Tropical forests cover about 6% of the earth's land area.
B)  Tropical forests grow near the equator.
C)  Over half of the world's tropical forests have already been cleared or degraded.
D)  Reforestation is ensuring that all tropical forests are being used on a sustainable-yield basis.
E)  Tropical forests are a significant storehouse for carbon.F) B) and E)
G) A) and C)

Question 14

The removal of large tracts of forestland for human use is called deforestation.

Accepted Answer

A) True 
 B)False

Question 15

Which Central American country has established a system of reserves and national parks that, by 2008, has included about a quarter of its land, and is at the forefront of biodiversity conservation?

Accepted Answer

A)  Nicaragua
B)  Costa Rica
C)  Panama
D)  El Salvador
E)  HondurasF) A) and B)
G) A) and C)

Question 16

Ecological services provided by forests typically

Accepted Answer

A)  destabilize climate change.
B)  are an infinite supply of ecological income.
C)  are not essential for humans and their economies.
D)  are worth hundreds of times less than their economic value.
E)  are worth hundreds of times more than their economic value.F) B) and E)
G) None of the above

Question 17

Discuss at least three difficulties associated with protecting marine fisheries.

Accepted Answer

Marine fisheries are difficult to protec...

Question 18

Protecting watersheds is important to protecting freshwater biodiversity, since water and land are connected.

Accepted Answer

A) True 
 B)False

Question 19

Costa Rica has moved from having one of the world's highest deforestation rates to having one of the lowest, in part, due to

Accepted Answer

A)  harvesting of sea turtle eggs.
B)  excluding local and indigenous people from conservation efforts.
C)  increasing subsidies for converting forests to rangeland.
D)  utilizing ecotourism as a major source of income.
E)  logging.F) B) and C)
G) B) and E)

Question 20

Tropical forests are important sources of biodiversity because

Accepted Answer

A)  they are exclusively in warm climates.
B)  they are located in the Southern Hemisphere.
C)  their proximity to urban populations.
D)  their competition with deserts, which are also biodiversity hotspots.
E)  at least half of the known terrestrial species of terrestrial plants, animals, and insects live in tropical forests.F) C) and D)
G) B) and D)

Exam 6: Sustaining Biodiversity: The Ecosystem Approach

Most of Madagascar's native species exist only on Madagascar because the island

Correct AnswerverifiedShow Answer

An arrangement where a developing nation protects some forest area in exchange for debt relief or financial support from a developed nation is called

Correct AnswerverifiedShow Answer

The U.S. has set aside a larger proportion of land area for biodiversity than any other country in the world.

Correct AnswerverifiedShow Answer

List and define four types of ecological restoration. Why is restoration important?

Correct AnswerverifiedRestoration: returning a degraded area t...View AnswerShow Answer

What country contains the highest concentration of endangered animals?

Correct AnswerverifiedShow Answer

Zebra mussels have been successful invasive species in the Great Lakes because they

Correct AnswerverifiedB

Identify the four steps to tropical deforestation.

Correct AnswerverifiedRoad cutting for logging and settlement, followed by logging, then ranching (and typically) overgrazing, and finally settlement and soil depletion.

Reversing environmental damage to the biodiversity and natural dynamics of an ecosystem caused by humans is called ____________________.

Correct Answerverifiedecological...View AnswerShow Answer

Currently, ____ of the earth's land area is protected either strictly or partially by nature reserves, parks, wildlife refuges, wilderness and other areas.

Correct AnswerverifiedShow Answer

Which of the following statements is true about tree plantations?

Correct AnswerverifiedShow Answer

Currently, most of the world's forests are

Correct AnswerverifiedA

An arrangement where a developing nation receives payment from a developed nation to preserve their natural resources is called

Correct AnswerverifiedShow Answer

Which of the following statements about tropical forests is false?

Correct AnswerverifiedShow Answer

The removal of large tracts of forestland for human use is called deforestation.

Correct AnswerverifiedShow Answer

Which Central American country has established a system of reserves and national parks that, by 2008, has included about a quarter of its land, and is at the forefront of biodiversity conservation?

Correct AnswerverifiedShow Answer

Ecological services provided by forests typically

Correct AnswerverifiedShow Answer

Discuss at least three difficulties associated with protecting marine fisheries.

Correct AnswerverifiedMarine fisheries are difficult to protec...View AnswerShow Answer

Protecting watersheds is important to protecting freshwater biodiversity, since water and land are connected.

Correct AnswerverifiedShow Answer

Costa Rica has moved from having one of the world's highest deforestation rates to having one of the lowest, in part, due to

Correct AnswerverifiedShow Answer

Tropical forests are important sources of biodiversity because

Correct AnswerverifiedShow Answer

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Restoration: returning a degraded area t...
View Answer

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Road cutting for logging and settlement, followed by logging, then ranching (and typically) overgrazing, and finally settlement and soil depletion.

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ecological...
View Answer

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A

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Marine fisheries are difficult to protec...
View Answer

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