Question 1

The greatest threat to most species is

Accepted Answer

A)  destruction of habitats. 
B)  water pollution. 
C)  parasites. 
D)  buildup of toxic substances in food chains. 
E)  flooding. 
A)  destruction of habitats. 
B)  water pollution. 
C)  parasites. 
D)  buildup of toxic substances in food chains. 
E)  flooding.

Question 2

____________________ are those species that undergo numerical decline and are likely to become endangered unless precautionary steps are taken to reverse the cause of decline.

Accepted Answer

Truehreate

Question 3

Captive breeding and egg pulling are primarily used to

Accepted Answer

A)  harvest animals for research. 
B)  genetically alter wild species. 
C)  supply zoos and aquariums with wild species. 
D)  teach students about conservation biology. 
E)  protect critically endangered wild animals from extinction. 
A)  harvest animals for research. 
B)  genetically alter wild species. 
C)  supply zoos and aquariums with wild species. 
D)  teach students about conservation biology. 
E)  protect critically endangered wild animals from extinction.

Question 4

Ecological functions of wild species include all of the following except

Accepted Answer

A)  ecotourism. 
B)  climate regulation. 
C)  detoxification. 
D)  water supply regulation. 
E)  waste decomposition. 
A)  ecotourism. 
B)  climate regulation. 
C)  detoxification. 
D)  water supply regulation. 
E)  waste decomposition.

Question 5

Bats can be described by all of the following statements except

Accepted Answer

A)  They help control many crop-damaging pests. 
B)  They are keystone species and have been used to develop navigational aids for the blind. 
C)  They pollinate and disperse seeds for hundreds of tropical plants. 
D)  They are integral to forest regeneration and biodiversity. 
E)  They are the cause of most cases of rabies in humans. 
A)  They help control many crop-damaging pests. 
B)  They are keystone species and have been used to develop navigational aids for the blind. 
C)  They pollinate and disperse seeds for hundreds of tropical plants. 
D)  They are integral to forest regeneration and biodiversity. 
E)  They are the cause of most cases of rabies in humans.

Question 6

Most extinction experts estimate species extinctions to be greater than even anticipated due to all but which of the following reasons?

Accepted Answer

A)  We are degrading biologically diverse hotspots. 
B)  We are reducing biologically diverse environments that serve as colonizing sites for new species. 
C)  The number of laws to protect biodiversity worldwide is increasing. 
D)  The rate of extinction and biodiversity loss is likely to increase due to human caused factors. 
E)  Human populations are increasing. 
A)  We are degrading biologically diverse hotspots. 
B)  We are reducing biologically diverse environments that serve as colonizing sites for new species. 
C)  The number of laws to protect biodiversity worldwide is increasing. 
D)  The rate of extinction and biodiversity loss is likely to increase due to human caused factors. 
E)  Human populations are increasing.

Question 7

____ occurs when a species no longer exists on earth.

Accepted Answer

A)  Ecological extinction. 
B)  Local extinction. 
C)  Biological extinction. 
D)  Natural selection. 
E)  Speciation. 
A)  Ecological extinction. 
B)  Local extinction. 
C)  Biological extinction. 
D)  Natural selection. 
E)  Speciation.

Question 8

The chemical DDT was able to climb the food chain from fish to fish eating birds by a process known as ____________________ .

Accepted Answer

Biomagnifi

Question 9

The best way to deal with harmful invasive species is to prevent them from becoming established in an area.

Accepted Answer

A) True 
 B)False

Question 10

A city park and a freshwater lake are examples of ____________________ that are vulnerable to non-native species and pollution.

Accepted Answer

The answer of A city park and a freshwater lake...

Question 11

Speciation or extinction could be the result of habitat fragmentation.

Accepted Answer

A) True 
 B)False

Question 12

Illegal hunting for profit is called

Accepted Answer

A)  subsistence hunting. 
B)  sport hunting. 
C)  poaching. 
D)  commercial hunting. 
E)  trophy hunting. 
A)  subsistence hunting. 
B)  sport hunting. 
C)  poaching. 
D)  commercial hunting. 
E)  trophy hunting.

Question 13

The Endangered Species Act of 1973 can be described by all but which one of the following?

Accepted Answer

A)  It is one of the world's toughest environmental laws. 
B)  It makes it illegal to trade any product made from an endangered species. 
C)  It authorizes identification of endangered species solely on a biological basis. 
D)  It protects all endemic species. 
E)  It requires agencies to make recovery plans. 
A)  It is one of the world's toughest environmental laws. 
B)  It makes it illegal to trade any product made from an endangered species. 
C)  It authorizes identification of endangered species solely on a biological basis. 
D)  It protects all endemic species. 
E)  It requires agencies to make recovery plans.

Question 14

Biological diversity is an invaluable and irreplaceable resource.

Accepted Answer

A) True 
 B)False

Question 15

African honeybees in Brazil are ____________________ and have displaced the established honeybees.

Accepted Answer

The answer of African honeybees in Brazil are ____________________ and...

Question 16

Methods to protect wild species from premature extinction include all but which one of the following?

Accepted Answer

A)  Enforce existing laws 
B)  Create more refuges, gene banks, zoos, aquariums, and botanical gardens 
C)  Purchase products with species photos on them 
D)  Practice conservation 
E)  Make new laws 
A)  Enforce existing laws 
B)  Create more refuges, gene banks, zoos, aquariums, and botanical gardens 
C)  Purchase products with species photos on them 
D)  Practice conservation 
E)  Make new laws

Question 17

Provide a case for protecting a river and in so doing,provide an argument for each of the following values: intrinsic,aesthetic,economic and ecological.

Accepted Answer

The river should be protected because,in

Question 18

A threatened species is

Accepted Answer

A)  likely to become endangered. 
B)  declining in numbers. 
C)  still abundant in its natural range. 
D)  all of these answers 
E)  declining in numbers but still abundant in its natural range. 
A)  likely to become endangered. 
B)  declining in numbers. 
C)  still abundant in its natural range. 
D)  all of these answers 
E)  declining in numbers but still abundant in its natural range.

Question 19

Biodiversity is balanced between biological evolution and biological extinction.

Accepted Answer

A) True 
 B)False

Question 20

____________________ are used to compromise between extreme environmentalists and private investors to find a medium between economic growth and biodiversity.

Accepted Answer

The answer of ____________________ are used to compromise between extreme...

The greatest threat to most species is

____________________ are those species that undergo numerical decline and are likely to become endangered unless precautionary steps are taken to reverse the cause of decline.

Captive breeding and egg pulling are primarily used to

Ecological functions of wild species include all of the following except

Bats can be described by all of the following statements except

Most extinction experts estimate species extinctions to be greater than even anticipated due to all but which of the following reasons?

____ occurs when a species no longer exists on earth.

The chemical DDT was able to climb the food chain from fish to fish eating birds by a process known as ____________________ .

The best way to deal with harmful invasive species is to prevent them from becoming established in an area.

A city park and a freshwater lake are examples of ____________________ that are vulnerable to non-native species and pollution.

Speciation or extinction could be the result of habitat fragmentation.

Illegal hunting for profit is called

The Endangered Species Act of 1973 can be described by all but which one of the following?

Biological diversity is an invaluable and irreplaceable resource.

African honeybees in Brazil are ____________________ and have displaced the established honeybees.

Methods to protect wild species from premature extinction include all but which one of the following?

Provide a case for protecting a river and in so doing,provide an argument for each of the following values: intrinsic,aesthetic,economic and ecological.

A threatened species is

Biodiversity is balanced between biological evolution and biological extinction.

____________________ are used to compromise between extreme environmentalists and private investors to find a medium between economic growth and biodiversity.

Environmental Problems, Their Causes, and Sustainability

Science, Matter, Energy, and Systems

Biodiversity and Evolution

Community Ecology, Population Ecology, and the Human Population

Sustaining Biodiversity: The Ecosystem Approach

Food,Soil,and Pest Management

Water Resources and Water Pollution

Nonrenewable Energy Resources

Energy Efficiency and Renewable Energy

Environmental Hazards and Human Health

Air Pollution, Climate Change, and Ozone Depletion

Urbanization and Solid and Hazardous Waste

Economics, Politics, Worldviews, and Sustainability

Filters

Exam 5: Sustaining Biodiversity: The Species Approach

The greatest threat to most species is

____________________ are those species that undergo numerical decline and are likely to become endangered unless precautionary steps are taken to reverse the cause of decline.

Captive breeding and egg pulling are primarily used to

Ecological functions of wild species include all of the following except

Bats can be described by all of the following statements except

Most extinction experts estimate species extinctions to be greater than even anticipated due to all but which of the following reasons?

____ occurs when a species no longer exists on earth.

The chemical DDT was able to climb the food chain from fish to fish eating birds by a process known as ____________________ .

The best way to deal with harmful invasive species is to prevent them from becoming established in an area.

A city park and a freshwater lake are examples of ____________________ that are vulnerable to non-native species and pollution.

Speciation or extinction could be the result of habitat fragmentation.

Illegal hunting for profit is called

The Endangered Species Act of 1973 can be described by all but which one of the following?

Biological diversity is an invaluable and irreplaceable resource.

African honeybees in Brazil are ____________________ and have displaced the established honeybees.

Methods to protect wild species from premature extinction include all but which one of the following?

Provide a case for protecting a river and in so doing,provide an argument for each of the following values: intrinsic,aesthetic,economic and ecological.

A threatened species is

Biodiversity is balanced between biological evolution and biological extinction.

____________________ are used to compromise between extreme environmentalists and private investors to find a medium between economic growth and biodiversity.

Environmental Problems, Their Causes, and Sustainability

Science, Matter, Energy, and Systems

Biodiversity and Evolution

Community Ecology, Population Ecology, and the Human Population

Sustaining Biodiversity: The Ecosystem Approach

Food,Soil,and Pest Management

Water Resources and Water Pollution

Nonrenewable Energy Resources

Energy Efficiency and Renewable Energy

Environmental Hazards and Human Health

Air Pollution, Climate Change, and Ozone Depletion

Urbanization and Solid and Hazardous Waste

Economics, Politics, Worldviews, and Sustainability

Filters