Question 1

Most failed species reintroduction occurs because of lack of ____________________.

Accepted Answer

habitat
su

Question 2

An endangered species is any species that can

Accepted Answer

A) undergo alteration of its genetic traits 
B) become rare within the next century 
C) soon become extinct in all or part of its range 
D) eventually become threatened or rare 
E) be considered economically important, but is rare 
A) undergo alteration of its genetic traits 
B) become rare within the next century 
C) soon become extinct in all or part of its range 
D) eventually become threatened or rare 
E) be considered economically important, but is rare

Question 3

Scientists believe that human activities that cause ____________________ and climate change will have a serious impact on premature extinctions.

Accepted Answer

The answer of Scientists believe that human activities that cause...

Question 4

As an example of how individuals matter in the efforts to save wild species, describe how poachers in Thailand became part of the ecotourism industry.

Accepted Answer

Pilai Poonswad, a native Thai, visited p

Question 5

Recent genetic research indicates that ____ or more individuals are needed for an endangered species to maintain its capacity for biological evolution.

Accepted Answer

A) 10 
B) 100 
C) 1,000 
D) 10,000 
E) 100,000 
A) 10 
B) 100 
C) 1,000 
D) 10,000 
E) 100,000

Question 6

The most important threat to survival of polar bears at this time is

Accepted Answer

A) ocean currents delivering pollutants to the Arctic Ocean from oceans in more temperate climate zones 
B) hunting by native populations 
C) tourism disruptions 
D) warming of the frozen Arctic, which has has caused the winter ice pack to shrink and break up earlier, thus limiting hunting opportunities for the bears 
E) a normal population cycle that will result in their slow extinction 
A) ocean currents delivering pollutants to the Arctic Ocean from oceans in more temperate climate zones 
B) hunting by native populations 
C) tourism disruptions 
D) warming of the frozen Arctic, which has has caused the winter ice pack to shrink and break up earlier, thus limiting hunting opportunities for the bears 
E) a normal population cycle that will result in their slow extinction

Question 7

Match the plant or animal with its correct designation.
-Argentina fire ant

Accepted Answer

A) endangered species 
B) plant species that are sources of drugs for humans 
C) deliberately introduced invasive species 
D) accidentally introduced invasive species 
A) endangered species 
B) plant species that are sources of drugs for humans 
C) deliberately introduced invasive species 
D) accidentally introduced invasive species

Question 8

List five things that you do that can contribute to the loss of the world's wild species?

Accepted Answer

Answers will be quite variable, but some

Question 9

The basic causes of depletion and premature extinction of wild species include

Accepted Answer

A) human population growth 
B) rising resource use 
C) undervaluing of natural capital 
D) poverty 
E) all of these answers 
A) human population growth 
B) rising resource use 
C) undervaluing of natural capital 
D) poverty 
E) all of these answers

Question 10

The International Whaling Commission moratorium on commercial whaling was imposed in 1986. a.Following this:

Accepted Answer

A) Worldwide commercial whaling was completely eliminated. 
B) There was no change in the number of whales killed outside U.S. a.waters. 
C) Whale killing declined, and only 1,300 whales were killed in 2008, compared to over 42,000 in 1970. 
D) None of these answers is correct. 
E) Commercial whaling actually increased in some areas outside the U.S. 
A) Worldwide commercial whaling was completely eliminated. 
B) There was no change in the number of whales killed outside U.S. a.waters. 
C) Whale killing declined, and only 1,300 whales were killed in 2008, compared to over 42,000 in 1970. 
D) None of these answers is correct. 
E) Commercial whaling actually increased in some areas outside the U.S.

Question 11

Japanese kudzu vine offers all of the following except

Accepted Answer

A) starch used in Asian beverages and herbal remedies 
B) control of soil erosion 
C) toxic berries that deplete bird populations 
D) a source of tree-free paper 
E) herbal remedies for diseases 
A) starch used in Asian beverages and herbal remedies 
B) control of soil erosion 
C) toxic berries that deplete bird populations 
D) a source of tree-free paper 
E) herbal remedies for diseases

Question 12

Any habitat surrounded by a different one can be viewed as a(n) ____________________.

Accepted Answer

The answer of Any habitat surrounded by a different one...

Question 13

The type of species that are expected to increase in a world with degraded and simplified habitats are

Accepted Answer

A) rodent species 
B) insect species, such as cockroaches 
C) weeds 
D) all of these answers 
E) none of these answers 
A) rodent species 
B) insect species, such as cockroaches 
C) weeds 
D) all of these answers 
E) none of these answers

Question 14

Egg pulling refers to

Accepted Answer

A) techniques used to extend the breeding span of captured birds 
B) collecting eggs from the wild and hatching them in zoos or research centers 
C) using fertility drugs to increase productivity 
D) production of hybrids in captive breeding programs 
E) collecting unfertilized eggs from ovaries of wild animals 
A) techniques used to extend the breeding span of captured birds 
B) collecting eggs from the wild and hatching them in zoos or research centers 
C) using fertility drugs to increase productivity 
D) production of hybrids in captive breeding programs 
E) collecting unfertilized eggs from ovaries of wild animals

Question 15

Argentina fire ants can be described by all of the following except:

Accepted Answer

A) They attack with painful and burning stings. 
B) They have killed humans, pets, and livestock. 
C) They cause an estimated $68,000 worth of damage per hour to crops and phone and power lines. 
D) Native ant species help to keep them in check. 
E) They have spread throughout much of the southern United States. 
A) They attack with painful and burning stings. 
B) They have killed humans, pets, and livestock. 
C) They cause an estimated $68,000 worth of damage per hour to crops and phone and power lines. 
D) Native ant species help to keep them in check. 
E) They have spread throughout much of the southern United States.

Question 16

It is estimated that from one-fourth to one-half of the world's plant and animal species will suffer premature extinction during this century.

Accepted Answer

A) True 
 B)False

Question 17

An increase in the number of polar bears seen visiting human settlements indicates that

Accepted Answer

A) Polar bear populations are not actually declining. 
B) More limited hunting is driving the bears to seek food in human settlements more frequently. 
C) Polar bear populations are on the increase. 
D) Human food is more appealing to polar bears than wild seals. 
E) Polar bear populations are on the increase and human food is more appealing to polar bears than wild seals. 
A) Polar bear populations are not actually declining. 
B) More limited hunting is driving the bears to seek food in human settlements more frequently. 
C) Polar bear populations are on the increase. 
D) Human food is more appealing to polar bears than wild seals. 
E) Polar bear populations are on the increase and human food is more appealing to polar bears than wild seals.

Question 18

When a species has disappeared from the Earth, it is biologically extinct.

Accepted Answer

A) True 
 B)False

Question 19

All of the following actions will help to control invasive species except

Accepted Answer

A) Do not remove wild plants from their natural areas. 
B) After each use, clean your mountain bike before heading for home. 
C) Do not dump the contents of an aquarium into a storm drain. 
D) Do not brush your dog after a hike until you get home. 
E) None of these answers. 
A) Do not remove wild plants from their natural areas. 
B) After each use, clean your mountain bike before heading for home. 
C) Do not dump the contents of an aquarium into a storm drain. 
D) Do not brush your dog after a hike until you get home. 
E) None of these answers.

Question 20

Extinction can be the result of habitat fragmentation.

Accepted Answer

A) True 
 B)False

Most failed species reintroduction occurs because of lack of ____________________.

An endangered species is any species that can

Scientists believe that human activities that cause ____________________ and climate change will have a serious impact on premature extinctions.

As an example of how individuals matter in the efforts to save wild species, describe how poachers in Thailand became part of the ecotourism industry.

Recent genetic research indicates that ____ or more individuals are needed for an endangered species to maintain its capacity for biological evolution.

The most important threat to survival of polar bears at this time is

Match the plant or animal with its correct designation. -Argentina fire ant

List five things that you do that can contribute to the loss of the world's wild species?

The basic causes of depletion and premature extinction of wild species include

The International Whaling Commission moratorium on commercial whaling was imposed in 1986. a.Following this:

Japanese kudzu vine offers all of the following except

Any habitat surrounded by a different one can be viewed as a(n) ____________________.

The type of species that are expected to increase in a world with degraded and simplified habitats are

Egg pulling refers to

Argentina fire ants can be described by all of the following except:

It is estimated that from one-fourth to one-half of the world's plant and animal species will suffer premature extinction during this century.

An increase in the number of polar bears seen visiting human settlements indicates that

When a species has disappeared from the Earth, it is biologically extinct.

All of the following actions will help to control invasive species except

Extinction can be the result of habitat fragmentation.

Environmental Problems, Their Causes, and Sustainability

Science, Matter, and Energy

Ecosystems: What Are They and How Do They Work

Biodiversity and Evolution

Biodiversity, Species Interactions, and Population Control

The Human Population and Urbanization

Climate and Biodiversity

Sustaining Biodiversity: the Ecosystem Approach

Food, Soil, and Pest Management

Water Resources and Water Pollution

Geology and Nonrenewable Mineral Resources

Energy

Environmental Hazards and Human Health

Air Pollution, Climate Change, and Ozone Depletion

Solid and Hazardous Waste

Environmental Economics, Politics, and Worldviews

Filters

Exam 8: Sustaining Biodiversity: the Species Approach

Most failed species reintroduction occurs because of lack of ____________________.

An endangered species is any species that can

Scientists believe that human activities that cause ____________________ and climate change will have a serious impact on premature extinctions.

As an example of how individuals matter in the efforts to save wild species, describe how poachers in Thailand became part of the ecotourism industry.

Recent genetic research indicates that ____ or more individuals are needed for an endangered species to maintain its capacity for biological evolution.

The most important threat to survival of polar bears at this time is

Match the plant or animal with its correct designation. -Argentina fire ant

List five things that you do that can contribute to the loss of the world's wild species?

The basic causes of depletion and premature extinction of wild species include

The International Whaling Commission moratorium on commercial whaling was imposed in 1986. a.Following this:

Japanese kudzu vine offers all of the following except

Any habitat surrounded by a different one can be viewed as a(n) ____________________.

The type of species that are expected to increase in a world with degraded and simplified habitats are

Egg pulling refers to

Argentina fire ants can be described by all of the following except:

It is estimated that from one-fourth to one-half of the world's plant and animal species will suffer premature extinction during this century.

An increase in the number of polar bears seen visiting human settlements indicates that

When a species has disappeared from the Earth, it is biologically extinct.

All of the following actions will help to control invasive species except

Extinction can be the result of habitat fragmentation.

Environmental Problems, Their Causes, and Sustainability

Science, Matter, and Energy

Ecosystems: What Are They and How Do They Work

Biodiversity and Evolution

Biodiversity, Species Interactions, and Population Control

The Human Population and Urbanization

Climate and Biodiversity

Sustaining Biodiversity: the Ecosystem Approach

Food, Soil, and Pest Management

Water Resources and Water Pollution

Geology and Nonrenewable Mineral Resources

Energy

Environmental Hazards and Human Health

Air Pollution, Climate Change, and Ozone Depletion

Solid and Hazardous Waste

Environmental Economics, Politics, and Worldviews

Filters