Question 1

The use of uncultivated fruit,skins,fiber,beeswax,etc.are examples of _________ value drawn from biodiversity.

Accepted Answer

A)   agricultural
B)   medicinal
C)   consumptive use
D)   indirect
E)   noF) B) and C)
G) C) and D)

Question 2

Which of the following is not a reason that genetic diversity is important?

Accepted Answer

A)   Evolution can only act on phenotypes that are present in the population.
B)   The greater the genetic diversity of a population the more likely that one organism will have an adaptive trait when the environment changes.
C)   Lower genetic diversity can lead to the extinction of species.
D)   Higher genetic diversity leads to more species in the ecosystem.
E)   Low genetic diversity can lead to greater susceptibly to pathogens.F) A) and B)
G) A) and D)

Question 3

What is the main use of most of the world's freshwater supply?

Accepted Answer

A)   drinking water
B)   irrigation of crops
C)   cooking
D)   bathing and flushing toilets
E)   household usesF) A) and E)
G) C) and D)

Question 4

The regulation of climate,cleansing of fresh water,and support of ecotourism are examples of _______ value drawn from biodiversity.

Accepted Answer

A)   agricultural
B)   medicinal
C)   consumptive use
D)   indirect
E)   noF) None of the above
G) C) and D)

Question 5

Transgenic plants with new and different traits such as insect and herbicide resistant plants,are results of which of the following?

Accepted Answer

A)   restrictions on farmers by the federal government
B)   genetic engineering
C)   the use of fertilizers
D)   pollution
E)   the use of the ecological energy pyramidF) All of the above
G) A) and B)

Question 6

In spite of hundreds of millions of dollars spent on insecticides targeted at pest species such as mosquitoes and crop pests,we have been unable to drive any to extinction.On the other hand,bird,fish,plant,and insect species that we barely recognize have gone extinct.This has mainly been due to

Accepted Answer

A)   hunting.
B)   farming.
C)   insecticides such as DDT.
D)   habitat destruction.
E)   scientific collecting.F) C) and E)
G) A) and D)

Question 7

The loss of a keystone species would lead to

Accepted Answer

A)   a great number of secondary extinctions.
B)   an increase in species diversity within the community.
C)   an increase in the population of other keystone species.
D)   immediate collapse of the community.
E)   no noticeable change in the biodiversity of the community.F) A) and B)
G) B) and D)

Question 8

The most familiar level of biodiversity is

Accepted Answer

A)   Species diversity
B)   Genetic diversity
C)   Ecosystem diversity
D)   Landscape diversity
E)   Conservation diversityF) B) and C)
G) C) and D)

Question 9

Which of the following is NOT correct concerning the indirect values of biodiversity?

Accepted Answer

A)   Trees affect the climate and provide shade and cooling during the summer.
B)   Trees can maintain rainfall to help prevent dry periods.
C)   If biodiversity cannot maintain the biogeochemical cycles, then technology will have to artificially create those cycles.
D)   Diverse organisms are critical in breaking down wastes and immobilizing pollutants.
E)   Erosion can lead to critical imbalances in an ecosystem.F) A) and B)
G) None of the above

Question 10

Which of the following statements is NOT true about tropical rain forests?

Accepted Answer

A)   Tropical rain forest land contains rich soil that is desirable as farmland.
B)   Ranchers only temporarily benefit from deforestation.
C)   People are settling in tropical rain forests due to road construction.
D)   Humans remove vegetation for fuel or to feed animals.
E)   Destruction of rain forests can lead to desertification.F) D) and E)
G) A) and C)

Question 11

Which of the following is true about extinction?

Accepted Answer

A)   Overexploitation by hunting and fishing is the foremost threat to tropical animals and plants.
B)   Without human activity, all species would survive and there would be no extinctions.
C)   There are many causes of extinctions and an animal or plant may go extinct for any of a combination of these factors.
D)   Commercial hunting and fishing are careful not to deplete animal reserves.
E)   Introduction of new alien species helps preserve biodiversity and slow extinction.F) C) and D)
G) A) and D)

Question 12

Ecosystems are based on complex interactions between communities.What are possible consequences from a disruption of these interactions?

Accepted Answer

A)   Increases in pollution
B)   Increases in biodiversity
C)   Increases in extinctions
D)   Decreases in pollution
E)   Decreases in extinctionsF) B) and C)
G) A) and E)

Question 13

Which of the following does not pertain to fossil fuels?

Accepted Answer

A)   nonrenewable resources
B)   contribute to greenhouse gases
C)   oil and coal
D)   formed during the last 1,000 years
E)   the U.S. uses more than half the world's supply of fossil fuelsF) B) and D)
G) A) and E)

Question 14

The depletion of the world's fisheries is most likely due to which of the following?

Accepted Answer

A)   sport fishing
B)   commercial large-scale fishing
C)   discharge of sewage and garbage from cruise ships
D)   natural climate shifts
E)   natural extinction of fish populationF) A) and E)
G) A) and C)

Question 15

Oftentimes around the world,famine causes severe loss of life in LDCs.In many cases what is the initial step that would eventually lead to a famine situation?

Accepted Answer

A)   deforestation
B)   desertification
C)   coastal pollution
D)   no access to drinking water
E)   increase in human habitationF) A) and B)
G) A) and C)

Question 16

Natural ecosystems are able to break down dead organic material and recycle their nutrients.

Accepted Answer

A) True 
 B)False

Question 17

Compare the direct and indirect values of biodiversity by listing 3 direct values and 4 indirect values of biodiversity.

Accepted Answer

Direct values of biodiversity include: m...

Question 18

Which of the following is an example of the importance of biodiversity in a natural ecosystem?

Accepted Answer

A)   Pollination of flowers by bees.
B)   Production of antibiotics from fungi.
C)   Increasing the survival rate of childhood leukemia from 10 - 90%.
D)   Increasing the availability of food for the human population.
E)   Supplies building materials for new construction.F) All of the above
G) C) and D)

Question 19

Coastal degradation,such as the loss of mangrove swamps and coral reefs,is primarily caused by

Accepted Answer

A)   erosion of seashores by storms.
B)   slash and burn agriculture to raise crops.
C)   increased ranching for beef export.
D)   the large concentration of people living along coasts.
E)   increased high-tech industry.F) A) and E)
G) A) and C)

Question 20

The use of wheat,corn,rice and other crops modified from wild ancestors is an example of _______ value drawn from biodiversity.

Accepted Answer

A)   agricultural
B)   medicinal
C)   consumptive use
D)   indirect
E)   noF) C) and D)
G) A) and E)

Exam 37: Conservation Biology

The use of wheat,corn,rice and other crops modified from wild ancestors is an example of _______ value drawn from biodiversity.

Correct AnswerverifiedShow Answer

Which of the following does not pertain to fossil fuels?

Correct AnswerverifiedShow Answer

Ecosystems are based on complex interactions between communities.What are possible consequences from a disruption of these interactions?

Correct AnswerverifiedShow Answer

Which of the following is an example of the importance of biodiversity in a natural ecosystem?

Correct AnswerverifiedShow Answer

The use of uncultivated fruit,skins,fiber,beeswax,etc.are examples of _________ value drawn from biodiversity.

Correct AnswerverifiedShow Answer

The loss of a keystone species would lead to

Correct AnswerverifiedShow Answer

Coastal degradation,such as the loss of mangrove swamps and coral reefs,is primarily caused by

Correct AnswerverifiedShow Answer

In spite of hundreds of millions of dollars spent on insecticides targeted at pest species such as mosquitoes and crop pests,we have been unable to drive any to extinction.On the other hand,bird,fish,plant,and insect species that we barely recognize have gone extinct.This has mainly been due to

Correct AnswerverifiedShow Answer

Which of the following is NOT correct concerning the indirect values of biodiversity?

Correct AnswerverifiedShow Answer

Natural ecosystems are able to break down dead organic material and recycle their nutrients.

Correct AnswerverifiedShow Answer

Oftentimes around the world,famine causes severe loss of life in LDCs.In many cases what is the initial step that would eventually lead to a famine situation?

Correct AnswerverifiedShow Answer

Which of the following is true about extinction?

Correct AnswerverifiedShow Answer

The most familiar level of biodiversity is

Correct AnswerverifiedShow Answer

Which of the following statements is NOT true about tropical rain forests?

Correct AnswerverifiedShow Answer

Compare the direct and indirect values of biodiversity by listing 3 direct values and 4 indirect values of biodiversity.

Correct AnswerverifiedDirect values of biodiversity include: m...View AnswerShow Answer

Which of the following is not a reason that genetic diversity is important?

Correct AnswerverifiedShow Answer

What is the main use of most of the world's freshwater supply?

Correct AnswerverifiedShow Answer

Transgenic plants with new and different traits such as insect and herbicide resistant plants,are results of which of the following?

Correct AnswerverifiedShow Answer

The regulation of climate,cleansing of fresh water,and support of ecotourism are examples of _______ value drawn from biodiversity.

Correct AnswerverifiedShow Answer

The depletion of the world's fisheries is most likely due to which of the following?

Correct AnswerverifiedShow Answer

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Direct values of biodiversity include: m...
View Answer

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