Question 1

Brazil's vast ____________________ Basin contains more than 40% of the world's remaining tropical forests.

Accepted Answer

The answer of Brazil's vast ____________________ Basin contains more than...

Question 2

Today, forests in the United States (including tree plantations) cover more area than they did in 1920.

Accepted Answer

A) True 
 B)False

Question 3

____________________ are unfenced grasslands in temperate and tropical climates that supply vegetation for grazing and browsing animals.

Accepted Answer

The answer of ____________________ are unfenced grasslands in temperate and...

Question 4

One reason protecting marine biodiversity is difficult is that ____.

Accepted Answer

A)  much of the damage to the oceans and other bodies of water is not visible to most people 
B)  most species in marine ecosystems are keystone species 
C)  marine ecosystems are much more affected by urban sprawl 
D)  marine ecosystems cannot be restored 
E)  most of the world's ocean area lies within the legal jurisdiction of one country or another 
A)  much of the damage to the oceans and other bodies of water is not visible to most people 
B)  most species in marine ecosystems are keystone species 
C)  marine ecosystems are much more affected by urban sprawl 
D)  marine ecosystems cannot be restored 
E)  most of the world's ocean area lies within the legal jurisdiction of one country or another

Question 5

Gray wolves disappeared from Yellowstone National Park because ____.

Accepted Answer

A)  their habitat had severely degraded 
B)  of a series of devastating crown fires 
C)  elk were over-hunted by humans 
D)  they were killed by humans 
E)  a virus wiped out the population 
A)  their habitat had severely degraded 
B)  of a series of devastating crown fires 
C)  elk were over-hunted by humans 
D)  they were killed by humans 
E)  a virus wiped out the population

Question 6

While they only cover about 6% of the earth's land area, ____________________ contain at least half of the world's known species of terrestrial plants, animals, and insects.

Accepted Answer

tropical forests, tr

Question 7

Uncut forests or regenerated forests that have not been significantly impacted by humans or natural disasters for several hundred years or more are known as ____________________ forests.

Accepted Answer

The answer of Uncut forests or regenerated forests that have...

Question 8

Tree plantations can help protect the world's remaining old-growth and second-growth forests, as long as the forests are not cleared to make room for tree plantations.

Accepted Answer

A) True 
 B)False

Question 9

The process of ____ involves confining cattle with portable fencing to one area for a few days, 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 
A)  erosion control 
B)  rotational grazing 
C)  nutrient cycling 
D)  organic grazing 
E)  confined animal feeding operations

Question 10

According to the National Park Service, air pollution is responsible for ____.

Accepted Answer

A)  increasing rates of soil erosion at U.S. national parks 
B)  reducing tourism throughout the year at U.S. national parks, even when the air quality is good 
C)  causing frequent forest fires in U.S. national parks 
D)  degrading scenic views in many U.S. national parks over 90% of the time 
E)  causing acid rain in almost all U.S. national parks throughout the year 
A)  increasing rates of soil erosion at U.S. national parks 
B)  reducing tourism throughout the year at U.S. national parks, even when the air quality is good 
C)  causing frequent forest fires in U.S. national parks 
D)  degrading scenic views in many U.S. national parks over 90% of the time 
E)  causing acid rain in almost all U.S. national parks throughout the year

Question 11

Why do vines increase the damage to a forest done by selective cutting?

Accepted Answer

A)  The increased light penetration causes them to grow, damaging the remaining trees. 
B)  They cause many of the cut trees to be discarded rather than used. 
C)  They are ripped out of the ground and greatly disturb the soil. 
D)  When the selected trees are cut, the vines pull down other trees with them. 
E)  They are often cut and left behind, greatly increasing the forest's vulnerability to fire. 
A)  The increased light penetration causes them to grow, damaging the remaining trees. 
B)  They cause many of the cut trees to be discarded rather than used. 
C)  They are ripped out of the ground and greatly disturb the soil. 
D)  When the selected trees are cut, the vines pull down other trees with them. 
E)  They are often cut and left behind, greatly increasing the forest's vulnerability to fire.

Question 12

The _____ has been described as "an almost perfectly designed invasive species," with a broad diet and few, if any, predators.

Accepted Answer

A)  gray wolf 
B)  lion fish 
C)  red ant 
D)  European honeybee 
E)  krill 
A)  gray wolf 
B)  lion fish 
C)  red ant 
D)  European honeybee 
E)  krill

Question 13

Scientific studies show that in fully protected marine reserves, on average, commercially valuable fish populations double and fish increase in size.

Accepted Answer

A) True 
 B)False

Question 14

List three ecosystem services or economic services provided by forests.

Accepted Answer

Answers could include: 
-Support energy

Question 15

Which practice would make forestry less sustainable?

Accepted Answer

A)  Reduce road-building in forests. 
B)  Stop clear-cutting on steep slopes. 
C)  Clear old-growth forests for tree plantations. 
D)  Include ecosystem services of forests in estimates of their economic value. 
E)  Leave most standing dead trees and larger fallen trees for wildlife habitats and nutrient cycling. 
A)  Reduce road-building in forests. 
B)  Stop clear-cutting on steep slopes. 
C)  Clear old-growth forests for tree plantations. 
D)  Include ecosystem services of forests in estimates of their economic value. 
E)  Leave most standing dead trees and larger fallen trees for wildlife habitats and nutrient cycling.

Question 16

One way to protect houses and other building in fire-prone areas is to thin trees and other vegetation in a zone around them.

Accepted Answer

A) True 
 B)False

Question 17

Some parks are so small that few species are able to live there. These are known as ____.

Accepted Answer

A)  artificial parks 
B)  restoration parks 
C)  biodiversity hotspots 
D)  paper parks 
E)  developing parks 
A)  artificial parks 
B)  restoration parks 
C)  biodiversity hotspots 
D)  paper parks 
E)  developing parks

Question 18

In the United States, most protected land is found ____.

Accepted Answer

A)  in the southern states 
B)  in Alaska and in the western states 
C)  in Hawaii 
D)  in the northeastern states 
E)  in the central states 
A)  in the southern states 
B)  in Alaska and in the western states 
C)  in Hawaii 
D)  in the northeastern states 
E)  in the central states

Question 19

Conservation concessions involve governments or private conservation organizations paying nations for agreeing to preserve their natural resources.

Accepted Answer

A) True 
 B)False

Question 20

Ocean acidification benefits organisms that produce calcium carbonate shells, but harms other species.

Accepted Answer

A) True 
 B)False

Brazil's vast ____________________ Basin contains more than 40% of the world's remaining tropical forests.

Today, forests in the United States (including tree plantations) cover more area than they did in 1920.

____________________ are unfenced grasslands in temperate and tropical climates that supply vegetation for grazing and browsing animals.

One reason protecting marine biodiversity is difficult is that ____.

Gray wolves disappeared from Yellowstone National Park because ____.

While they only cover about 6% of the earth's land area, ____________________ contain at least half of the world's known species of terrestrial plants, animals, and insects.

Uncut forests or regenerated forests that have not been significantly impacted by humans or natural disasters for several hundred years or more are known as ____________________ forests.

Tree plantations can help protect the world's remaining old-growth and second-growth forests, as long as the forests are not cleared to make room for tree plantations.

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

According to the National Park Service, air pollution is responsible for ____.

Why do vines increase the damage to a forest done by selective cutting?

The _____ has been described as "an almost perfectly designed invasive species," with a broad diet and few, if any, predators.

Scientific studies show that in fully protected marine reserves, on average, commercially valuable fish populations double and fish increase in size.

List three ecosystem services or economic services provided by forests.

Which practice would make forestry less sustainable?

One way to protect houses and other building in fire-prone areas is to thin trees and other vegetation in a zone around them.

Some parks are so small that few species are able to live there. These are known as ____.

In the United States, most protected land is found ____.

Conservation concessions involve governments or private conservation organizations paying nations for agreeing to preserve their natural resources.

Ocean acidification benefits organisms that produce calcium carbonate shells, but harms other species.

The Environment and Sustainability

Science, Matter, Energy and Systems

Ecosystems: What Are They and How Do They Work

Biodiversity and Evolution

Species Interactions, Ecological Succession and Population Control

The Human Population and Urbanization

Climate and Biodiversity

Sustaining Biodiversity: Saving Species

Food Production and the Environment

Water Resources and Water Pollution

Geology and Nonrenewable Mineral Resources

Energy Resources

Environmental Hazards and Human Health

Air Pollution, Climate Change and Ozone Depletion

Solid and Hazardous Waste

Environmental Economics, Politics and Worldviews

Filters

Exam 9: Sustaining Biodiversity: Saving Ecosystems

Brazil's vast ____________________ Basin contains more than 40% of the world's remaining tropical forests.

Today, forests in the United States (including tree plantations) cover more area than they did in 1920.

____________________ are unfenced grasslands in temperate and tropical climates that supply vegetation for grazing and browsing animals.

One reason protecting marine biodiversity is difficult is that ____.

Gray wolves disappeared from Yellowstone National Park because ____.

While they only cover about 6% of the earth's land area, ____________________ contain at least half of the world's known species of terrestrial plants, animals, and insects.

Uncut forests or regenerated forests that have not been significantly impacted by humans or natural disasters for several hundred years or more are known as ____________________ forests.

Tree plantations can help protect the world's remaining old-growth and second-growth forests, as long as the forests are not cleared to make room for tree plantations.

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

According to the National Park Service, air pollution is responsible for ____.

Why do vines increase the damage to a forest done by selective cutting?

The _____ has been described as "an almost perfectly designed invasive species," with a broad diet and few, if any, predators.

Scientific studies show that in fully protected marine reserves, on average, commercially valuable fish populations double and fish increase in size.

List three ecosystem services or economic services provided by forests.

Which practice would make forestry less sustainable?

One way to protect houses and other building in fire-prone areas is to thin trees and other vegetation in a zone around them.

Some parks are so small that few species are able to live there. These are known as ____.

In the United States, most protected land is found ____.

Conservation concessions involve governments or private conservation organizations paying nations for agreeing to preserve their natural resources.

Ocean acidification benefits organisms that produce calcium carbonate shells, but harms other species.

The Environment and Sustainability

Science, Matter, Energy and Systems

Ecosystems: What Are They and How Do They Work

Biodiversity and Evolution

Species Interactions, Ecological Succession and Population Control

The Human Population and Urbanization

Climate and Biodiversity

Sustaining Biodiversity: Saving Species

Food Production and the Environment

Water Resources and Water Pollution

Geology and Nonrenewable Mineral Resources

Energy Resources

Environmental Hazards and Human Health

Air Pollution, Climate Change and Ozone Depletion

Solid and Hazardous Waste

Environmental Economics, Politics and Worldviews

Filters