Question 1

Underlying causes of extinction and population reduction of wildlife include all of the following except

Accepted Answer

A)   trapping.
B)   human population growth.
C)   economic systems that fail to value the environment and ecological services.
D)   unsustainable exploitation of resources.
E)   poverty. A

Question 2

Gene banks,zoos,and aquariums are sanctuaries being used to protect wild species.

Accepted Answer

A) True 
 B)False  True

Question 3

Some species are good ____________________ because they live in all biomes and climates,respond promptly to changes in the environment,and are easy to mark and recapture.

Accepted Answer

environmental indicators

Question 4

CITES is limited because

Accepted Answer

A)   convictions carry only small fines.
B)   it has not been signed by some countries.
C)   member countries have the ability to exempt themselves from protecting any listed species.
D)   all of these answers
E)   convictions carry only small fines and it has not been signed by some countries.

Question 5

The pet trade has impacted all but which of the following wild pets?

Accepted Answer

A)   Parrots
B)   Reptiles
C)   Amphibians
D)   Guinea Pigs
E)   Tropical fish

Question 6

The species extinction rate is apparently

Accepted Answer

A)   increasing rapidly.
B)   always equal to the species formation rate.
C)   about one species per year.
D)   lower now than it has ever been.
E)   decreasing steadily.

Question 7

Direct causes of wildlife extinction include all of the following except

Accepted Answer

A)   earthquakes.
B)   climate change.
C)   oil spills.
D)   habitat destruction.
E)   invasive species.

Question 8

Argentine fire ants do what to cause a major effect on southeastern ecosystems?

Accepted Answer

A)   They wipe out native ants.
B)   They make dirt mounds around their holes.
C)   They sting people.
D)   They provide food for armadillos.
E)   They eat food supplies of other insects.

Question 9

The case of the passenger pigeon best illustrates

Accepted Answer

A)   the strength of natural selection.
B)   the theory of evolution.
C)   the concept of coevolution.
D)   the role humans play in premature extinction of species.
E)   the excellence of enforcing laws to protect species.

Question 10

The group of animals most protected by wildlife refuges are

Accepted Answer

A)   small mammals.
B)   migratory waterfowl.
C)   large mammals.
D)   songbirds.
E)   reptiles.

Question 11

List 4 ways we can protect wild species from human caused extinctions.

Accepted Answer

The answer of List 4 ways we can protect wild...

Question 12

Which of the following species is not threatened or endangered?

Accepted Answer

A)   Turkey vulture
B)   Gray wolf
C)   Blue whale
D)   Grizzly bear
E)   African elephant

Question 13

As species' populations decrease,the black market trade in endangered species decreases.

Accepted Answer

A) True 
 B)False

Question 14

Which of the following actions is not a way for individuals to prevent the spread of harmful invasive species?

Accepted Answer

A)   Do not allow wild animals to escape.
B)   When camping, do not use wood near your campsite; rather, bring in firewood.
C)   After each use, clean your kayak or other outdoor vehicle or clothing before returning home.
D)   Plant a variety of native trees, shrubs, and other plants in your yard to reduce losses from invasives.
E)   Do not dump your aquarium contents into a nearby waterway.

Question 15

The single greatest cause of extinction and decline in global diversity is habitat destruction of

Accepted Answer

A)   coral reefs.
B)   grasslands.
C)   tropical forests.
D)   deserts.
E)   temperate forests.

Question 16

An endemic species would most likely be found in a(n)

Accepted Answer

A)   island habitat like Hawaii.
B)   fragmented habitat like a logged area.
C)   urban locale like New York City.
D)   temperate deciduous forest like those that cover the northeast United States.
E)   aquatic ecosystem like a coastal estuary.

Question 17

International treaties help protect wild species and thus help maintain biological diversity.

Accepted Answer

A) True 
 B)False

Question 18

Describe the issues around poaching,the illegal pet trade and wildlife smuggling.Give examples of species for each issue.What is the individual's role in each of these issues and how can each of us make a difference?

Accepted Answer

The answer of Describe the issues around poaching,the illegal pet...

Question 19

The process of chemicals ingested in the lower trophic levels building up exponentially in the higher trophic levels is called

Accepted Answer

A)   bioaccumulation.
B)   fragmentation.
C)   CITES.
D)   invasion.
E)   specialization.

Question 20

Habitat fragmentation threatens species by

Accepted Answer

A)   decreasing the sustainable population size.
B)   increasing exposure to predators.
C)   increasing habitat edges.
D)   increasing exposure to invasive species.
E)   all of these answers.

Exam 5: Sustaining Biodiversity: The Species Approach

Underlying causes of extinction and population reduction of wildlife include all of the following except

Gene banks,zoos,and aquariums are sanctuaries being used to protect wild species.

Some species are good ____________________ because they live in all biomes and climates,respond promptly to changes in the environment,and are easy to mark and recapture.

CITES is limited because

The pet trade has impacted all but which of the following wild pets?

The species extinction rate is apparently

Direct causes of wildlife extinction include all of the following except

Argentine fire ants do what to cause a major effect on southeastern ecosystems?

The case of the passenger pigeon best illustrates

The group of animals most protected by wildlife refuges are

List 4 ways we can protect wild species from human caused extinctions.

Which of the following species is not threatened or endangered?

As species' populations decrease,the black market trade in endangered species decreases.

Which of the following actions is not a way for individuals to prevent the spread of harmful invasive species?

The single greatest cause of extinction and decline in global diversity is habitat destruction of

An endemic species would most likely be found in a(n)

International treaties help protect wild species and thus help maintain biological diversity.

Describe the issues around poaching,the illegal pet trade and wildlife smuggling.Give examples of species for each issue.What is the individual's role in each of these issues and how can each of us make a difference?

The process of chemicals ingested in the lower trophic levels building up exponentially in the higher trophic levels is called

Habitat fragmentation threatens species by