Question 1

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. B

Question 2

The primary threat to polar bears is pollution from oil spills in Arctic waters.

Accepted Answer

A) True 
 B)False  False

Question 3

MATCHING
For the list of animals, select the characteristic that would most likely contribute to its possible premature extinction.
-African violet

Accepted Answer

A) low reproductive rate 
B) specialized niche 
C) narrow distribution 
D) feeds at a high trophic level 
E) rare
F)fixed migratory pattern
G)commercially valuable
H)large territory 
A) low reproductive rate 
B) specialized niche 
C) narrow distribution 
D) feeds at a high trophic level 
E) rare
F)fixed migratory pattern
G)commercially valuable
H)large territory E

Question 4

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)  Brush your dog after a hike before you bring the dog home. 
E)  Collect only endemic plants if you tend to bring wild plants home. 
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)  Brush your dog after a hike before you bring the dog home. 
E)  Collect only endemic plants if you tend to bring wild plants home.

Question 5

The species area relationship concept suggests that if 90% of a coral reef is lost

Accepted Answer

A)  90% of the species utilizing the reef will go extinct. 
B)  100% of the species will go extinct. 
C)  50% of the species will go extinct. 
D)  35% will go extinct. 
E)  There will be no loss of species. 
A)  90% of the species utilizing the reef will go extinct. 
B)  100% of the species will go extinct. 
C)  50% of the species will go extinct. 
D)  35% will go extinct. 
E)  There will be no loss of species.

Question 6

Select the human activity or program that has proven to be the most effective for protecting each of the listed species:
-gray wolf

Accepted Answer

A) international regulatory laws 
B) U.S. regulatory laws 
C) wildlife refuges 
D) botanical gardens 
E) captive breeding programs 
A) international regulatory laws 
B) U.S. regulatory laws 
C) wildlife refuges 
D) botanical gardens 
E) captive breeding programs

Question 7

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 8

The United States has signed the international treaty called CITES but has not signed/ratified the treaty called ____________________.

Accepted Answer

CBD
Conven

Question 9

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 10

The primary reason polar bear population are declining is the lack of food, since their prey species (seals) habitat is declining.

Accepted Answer

A) True 
 B)False

Question 11

-The traveling biologist decides to contribute money to the two developing countries that seems to be doing the most for its threatened bird species, based on the percentage of land area that is set aside for conservation. What two countries will be recipients of her donations?

Accepted Answer

Costa Rica

Question 12

Poaching of exotic species for profit has depleted populations of

Accepted Answer

A)  Birds 
B)  birds and mammals 
C)  tropical fish and mammals 
D)  orchids and redwood trees 
E)  birds, mammals, tropical fish and orchids 
A)  Birds 
B)  birds and mammals 
C)  tropical fish and mammals 
D)  orchids and redwood trees 
E)  birds, mammals, tropical fish and orchids

Question 13

Which one of the following statements about polar bears is not true?

Accepted Answer

A)  In 2008, the U.S. Fish and Wildlife Service placed the Alaskan polar bear on its list of threatened species. 
B)  Alaskan state government officials are trying to have the polar bear delisted. 
C)  Polar bear populations are a significant threat to wolf populations in Alaska 
D)  Oil and coal industry leaders want the polar bear delisted in Alaska 
E)  Less than 60% of the world population of polar bears lives in Alaska 
A)  In 2008, the U.S. Fish and Wildlife Service placed the Alaskan polar bear on its list of threatened species. 
B)  Alaskan state government officials are trying to have the polar bear delisted. 
C)  Polar bear populations are a significant threat to wolf populations in Alaska 
D)  Oil and coal industry leaders want the polar bear delisted in Alaska 
E)  Less than 60% of the world population of polar bears lives in Alaska

Question 14

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 15

A small orchid plant that is found only on a tiny island in the Atlantic Ocean, just off the coast of Florida, has been listed as an endangered species. Which agency was responsible for listing this plant as endangered?

Accepted Answer

A)  National Marine Fisheries Service 
B)  U.S. Fish and Wildlife Service 
C)  U.S. Botanical Survey 
D)  International Commission on Rare Plants 
E)  Convention on International Trade in Endangered Species 
A)  National Marine Fisheries Service 
B)  U.S. Fish and Wildlife Service 
C)  U.S. Botanical Survey 
D)  International Commission on Rare Plants 
E)  Convention on International Trade in Endangered Species

Question 16

Briefly describe what a Japanese company has done in the U.S. state of Alabama with kudzu.

Accepted Answer

A Japanese firm has built a la

Question 17

Select the human activity or program that has proven to be the most effective for protecting each of the listed species:
-butterflies

Accepted Answer

A) international regulatory laws 
B) U.S. regulatory laws 
C) wildlife refuges 
D) botanical gardens 
E) captive breeding programs 
A) international regulatory laws 
B) U.S. regulatory laws 
C) wildlife refuges 
D) botanical gardens 
E) captive breeding programs

Question 18

If you take a driving vacation to an area in Mexico and then return to the United States in your car, you will be stopped at the border while U.S. agents ask you if you are carrying such items as plants or animals. If you are carrying such items, they may likely be confiscated. If you have any native plants with soil on them, this will be confiscated. You probably have not committed a crime, but nevertheless there is a benefit to this process. What is that benefit?

Accepted Answer

Answers will vary. Some possible answers

Question 19

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

Accepted Answer

A) True 
 B)False

Question 20

MATCHING
For the list of animals, select the characteristic that would most likely contribute to its possible premature extinction.
-snow leopard

Accepted Answer

A) low reproductive rate 
B) specialized niche 
C) narrow distribution 
D) feeds at a high trophic level 
E) rare
F)fixed migratory pattern
G)commercially valuable
H)large territory 
A) low reproductive rate 
B) specialized niche 
C) narrow distribution 
D) feeds at a high trophic level 
E) rare
F)fixed migratory pattern
G)commercially valuable
H)large territory

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

The primary threat to polar bears is pollution from oil spills in Arctic waters.

MATCHING For the list of animals, select the characteristic that would most likely contribute to its possible premature extinction. -African violet

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

The species area relationship concept suggests that if 90% of a coral reef is lost

Select the human activity or program that has proven to be the most effective for protecting each of the listed species: -gray wolf

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

The United States has signed the international treaty called CITES but has not signed/ratified the treaty called ____________________.

Japanese kudzu vine offers all of the following except

The primary reason polar bear population are declining is the lack of food, since their prey species (seals) habitat is declining.

-The traveling biologist decides to contribute money to the two developing countries that seems to be doing the most for its threatened bird species, based on the percentage of land area that is set aside for conservation. What two countries will be recipients of her donations?

Poaching of exotic species for profit has depleted populations of

Which one of the following statements about polar bears is not true?

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.

A small orchid plant that is found only on a tiny island in the Atlantic Ocean, just off the coast of Florida, has been listed as an endangered species. Which agency was responsible for listing this plant as endangered?

Briefly describe what a Japanese company has done in the U.S. state of Alabama with kudzu.

Select the human activity or program that has proven to be the most effective for protecting each of the listed species: -butterflies

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

MATCHING For the list of animals, select the characteristic that would most likely contribute to its possible premature extinction. -snow leopard

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 Minerals

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

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

The primary threat to polar bears is pollution from oil spills in Arctic waters.

MATCHING For the list of animals, select the characteristic that would most likely contribute to its possible premature extinction. -African violet

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

The species area relationship concept suggests that if 90% of a coral reef is lost

Select the human activity or program that has proven to be the most effective for protecting each of the listed species: -gray wolf

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

The United States has signed the international treaty called CITES but has not signed/ratified the treaty called ____________________.

Japanese kudzu vine offers all of the following except

The primary reason polar bear population are declining is the lack of food, since their prey species (seals) habitat is declining.

-The traveling biologist decides to contribute money to the two developing countries that seems to be doing the most for its threatened bird species, based on the percentage of land area that is set aside for conservation. What two countries will be recipients of her donations?

Poaching of exotic species for profit has depleted populations of

Which one of the following statements about polar bears is not true?

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.

A small orchid plant that is found only on a tiny island in the Atlantic Ocean, just off the coast of Florida, has been listed as an endangered species. Which agency was responsible for listing this plant as endangered?

Briefly describe what a Japanese company has done in the U.S. state of Alabama with kudzu.

Select the human activity or program that has proven to be the most effective for protecting each of the listed species: -butterflies

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

MATCHING For the list of animals, select the characteristic that would most likely contribute to its possible premature extinction. -snow leopard

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 Minerals

Energy

Environmental Hazards and Human Health

Air Pollution, Climate Change, and Ozone Depletion

Solid and Hazardous Waste

Environmental Economics, Politics, and Worldviews

Filters