Question 1

Describe the buffer zone concept for designing and managing nature reserves.

Accepted Answer

The answer of Describe the buffer zone concept for designing...

Question 2

About 40% of the earth's land area (not including Antarctica)is protected as nature reserves,parks,or wilderness areas.

Accepted Answer

A) True 
 B)False

Question 3

Overfishing is an example of the tragedy of the commons.

Accepted Answer

A) True 
 B)False

Question 4

Which common problem of U.S.cities is now an issue in United States national parks?​

Accepted Answer

A)  ​homeless people 
B)  ​lack of funding for schools 
C)  ​air pollution 
D)  ​high crime rates 
E)  ​alcoholism

Question 5

​Reintroduction of the wolf eventually reduced attacks on domestic cattle by what other species?

Accepted Answer

A)  ​golden eagle 
B)  ​coyote 
C)  ​fox 
D)  ​grizzly bear 
E)  ​local wild dogs

Question 6

The zone of a biosphere reserve where there would be little,if any,disturbance from human activities would be the ____.​

Accepted Answer

A)  ​wilderness zone 
B)  ​transition zone 
C)  ​inner core 
D)  ​perimeter 
E)  ​biozone

Question 7

It can be said that coastal habitats are actually ____.​

Accepted Answer

A)  ​increasing in area 
B)  ​disappearing at rates 2 to 10 times faster than tropical forests 
C)  ​maintaining a solid level of biodiversity 
D)  ​disappearing as fast as tropical forests 
E)  ​declining in many areas but rebounding in others

Question 8

List three ecosystem services or economic services provided by forests.

Accepted Answer

The answer of List three ecosystem services or economic services...

Question 9

Costa Rica now has very low biodiversity.

Accepted Answer

A) True 
 B)False

Question 10

According to the National Park Service,____ degrades scenic views in many U.S.national parks more than 90% of the time.​

Accepted Answer

A)  ​soil erosion 
B)  ​logging 
C)  ​forest fires 
D)  ​air pollution 
E)  ​acid rain

Question 11

A program called a debt-for-nature swap makes it financially attractive for countries to protect their tropical forests.

Accepted Answer

A) True 
 B)False

Question 12

When managed properly,ecotourism can be a useful form of reconciliation ecology,but without proper controls,it can lead to degradation of popular sites if visitors overrun them.

Accepted Answer

A) True 
 B)False

Question 13

____ involves confining cattle with portable fencing to one area for a few days and then moving them to a new location.​

Accepted Answer

A)  Erosion control​ 
B)  ​Rotational grazing 
C)  ​Nutrient cycling 
D)  ​Organic grazing 
E)  ​Confined animal feeding operations

Question 14

After the number of wolves declined in Yellowstone National Park,____.​

Accepted Answer

A)  ​the ecosystem recovered and became more stable 
B)  ​herds of elk,moose,and mule deer devastated willow and aspen trees near streams and rivers 
C)  ​the elk population crashed 
D)  ​forest fires decreased in frequency because the larger mule deer population controlled undergrowth 
E)  ​coyotes took over their role in the ecosystem,leading to few changes

Question 15

____________________ occurs when too many animals graze for too long,damaging the grasses and their roots,and exceeding the carrying capacity of a rangeland area.

Accepted Answer

The answer of ____________________ occurs when too many animals graze...

Question 16

What activity involves dragging huge nets weighted down with chains and steel plates over the ocean floor to harvest a few species of bottom fish and shellfish?​

Accepted Answer

A)  ​deep sea aquaculture 
B)  ​long-line fishing 
C)  ​drift-net fishing 
D)  ​purse-seine fishing 
E)  ​trawler fishing

Question 17

Since we began burning fossil fuels in large quantities during the Industrial Revolution of the 18th and 19th centuries,there has been a ____ in the average acidity of surface ocean water.​

Accepted Answer

A)  ​170% rise 
B)  ​30% drop 
C)  ​3% rise 
D)  ​30% rise 
E)  ​300% rise

Question 18

Managed grasslands or fenced meadows often planted with domesticated grasses or other forage crops such as alfalfa and clover are called ____________________.

Accepted Answer

The answer of Managed grasslands or fenced meadows often planted...

Question 19

What could governments do regarding deforestation to be consistent with the full-cost pricing principle of sustainability?​

Accepted Answer

A)  ​Increase taxes on fuel to drive up the price of timber. 
B)  ​Replace subsidies/tax breaks that encourage deforestation with forest-sustaining economic rewards. 
C)  ​Outlaw logging. 
D)  ​Build logging roads so companies can access forest land more easily. 
E)  ​Ban the use of cardboard and other paper products.

Question 20

____________________ is the most efficient and sometimes least-costly way to cut trees and it provides benefits for land-owners and timber companies,but it can also harm an ecosystem by causing increased erosion,sediment pollution of nearby waterways,and losses in biodiversity.

Accepted Answer

The answer of ____________________ is the most efficient and sometimes...

Exam 9: Sustaining Biodiversity - the Ecosystem Approach

Describe the buffer zone concept for designing and managing nature reserves.

About 40% of the earth's land area (not including Antarctica)is protected as nature reserves,parks,or wilderness areas.

Overfishing is an example of the tragedy of the commons.

Which common problem of U.S.cities is now an issue in United States national parks?​

​Reintroduction of the wolf eventually reduced attacks on domestic cattle by what other species?

The zone of a biosphere reserve where there would be little,if any,disturbance from human activities would be the ____.​

It can be said that coastal habitats are actually ____.​

List three ecosystem services or economic services provided by forests.

Costa Rica now has very low biodiversity.

According to the National Park Service,____ degrades scenic views in many U.S.national parks more than 90% of the time.​

A program called a debt-for-nature swap makes it financially attractive for countries to protect their tropical forests.

When managed properly,ecotourism can be a useful form of reconciliation ecology,but without proper controls,it can lead to degradation of popular sites if visitors overrun them.

____ involves confining cattle with portable fencing to one area for a few days and then moving them to a new location.​

After the number of wolves declined in Yellowstone National Park,____.​

____________________ occurs when too many animals graze for too long,damaging the grasses and their roots,and exceeding the carrying capacity of a rangeland area.

What activity involves dragging huge nets weighted down with chains and steel plates over the ocean floor to harvest a few species of bottom fish and shellfish?​

Since we began burning fossil fuels in large quantities during the Industrial Revolution of the 18th and 19th centuries,there has been a ____ in the average acidity of surface ocean water.​

Managed grasslands or fenced meadows often planted with domesticated grasses or other forage crops such as alfalfa and clover are called ____________________.

What could governments do regarding deforestation to be consistent with the full-cost pricing principle of sustainability?​

____________________ is the most efficient and sometimes least-costly way to cut trees and it provides benefits for land-owners and timber companies,but it can also harm an ecosystem by causing increased erosion,sediment pollution of nearby waterways,and losses in biodiversity.

Which common problem of U.S.cities is now an issue in United States national parks?

Reintroduction of the wolf eventually reduced attacks on domestic cattle by what other species?

The zone of a biosphere reserve where there would be little,if any,disturbance from human activities would be the ____.

It can be said that coastal habitats are actually ____.

According to the National Park Service,____ degrades scenic views in many U.S.national parks more than 90% of the time.

____ involves confining cattle with portable fencing to one area for a few days and then moving them to a new location.

After the number of wolves declined in Yellowstone National Park,____.

What activity involves dragging huge nets weighted down with chains and steel plates over the ocean floor to harvest a few species of bottom fish and shellfish?

Since we began burning fossil fuels in large quantities during the Industrial Revolution of the 18th and 19th centuries,there has been a ____ in the average acidity of surface ocean water.

What could governments do regarding deforestation to be consistent with the full-cost pricing principle of sustainability?