Question 1

Which of the following species would be considered a flagship species?

Accepted Answer

A)   dolphins
B)   grasshopper
C)   ants
D)   bats
E)   rosesF) A) and B)
G) A) and E)

Question 2

Allowing animals to overgraze land could lead to all of the following consequences except

Accepted Answer

A)   desertification.
B)   famine.
C)   less land suitable for human habitation.
D)   more rainwater runoff.
E)   improved nutrition for local human occupants.F) B) and C)
G) B) and E)

Question 3

List and explain the five causes of extinction.

Accepted Answer

1.Habitat loss: habitat loss and habitat...

Question 4

Dams provide water for 40% of irrigated land,yet there are disadvantages to dams.Which of the following is NOT a disadvantage of dam use?

Accepted Answer

A)   loss of water due to evaporation
B)   provide electricity for many countries
C)   increase in salinity due to evaporation and runoff
D)   increase in sediment buildup leads to less available water
E)   depletion of river waterF) A) and B)
G) C) and D)

Question 5

Which of the following statements about conservation biology is not true?

Accepted Answer

A)   Conservation biology relies on many subdisciplines of biology including genetics, physiology and systematics.
B)   Conservation biology relies on both scientists and government officials for conservation management.
C)   Conservation biology depends on the education of the public to lead to better consumer choices that facilitate conservation practices.
D)   Conservation biology relies on both biologists and social scientists to determine courses of action.
E)   Conservation biology proposes that ecosystems take precedence over activities that sustain human populations.F) B) and D)
G) All of the above

Question 6

Marginal rangeland becomes desert and farmland loses it productivity as a result of lost topsoil.Which of the following is a main cause of topsoil loss?

Accepted Answer

A)   Strong winds and rain on bare soil, causes erosion along with the use of large farming machines.
B)   Farmers plant too many crops on smaller pieces of land.
C)   Excessive animal grazing on land that results in loss of vegetation and therefore topsoil.
D)   The use of fertilizers along with the use of large farming equipment leads to topsoil losses.
E)   The accumulation of mineral salts and the evaporation of excess irrigation water are leading causes of the loss of topsoil.F) A) and B)
G) B) and E)

Question 7

Excessive use of water from aquifers does NOT lead to which of the following?

Accepted Answer

A)   subsidence
B)   sink holes
C)   flood situations
D)   saltwater intrusion
E)   water shortagesF) B) and D)
G) C) and D)

Question 8

Which of the following statements is NOT true about biodiversity?

Accepted Answer

A)   The really important species of animals and plants are those that we rely on for food; if we can protect them we can avoid any harmful effects even if other species go extinct.
B)   The size of tropical rain forests have been reduced from 14% to 6%.
C)   Exotic species play a role in 50% of extinctions.
D)   Coral reefs may become extinct in the next forty years.
E)   Overexploitation by human activities can lead to a loss of biodiversity.F) C) and D)
G) A) and E)

Question 9

Which of the following do not result in the loss of topsoil?

Accepted Answer

A)   planting crops in straight rows
B)   use of large farming machines
C)   salinization
D)   overuse of fertilizer
E)   wind and rainF) C) and D)
G) C) and E)

Question 10

Each biosphere reserve area is divided into three areas.Which of these do not describe one of those three areas?

Accepted Answer

A)   The inner core area that is the reserve
B)   The inner core that allows only research, light tourism and limited sustainable cultural use
C)   The buffer zone that surrounds the core
D)   The buffer zone that allows sustainable human development
E)   The transition zone that surrounds the buffer zoneF) A) and E)
G) A) and D)

Question 11

Which one of the following is NOT a way that invasive (alien) species are introduced into a new habitat?

Accepted Answer

A)   intentionally introduced by humans
B)   unintentionally introduced during transport of crops
C)   unintentionally introduced during discharge of ship ballast tanks
D)   natural introductions on the feet, wings, or fur of migrating organisms
E)   unintentionally introduced in packaged processed foodsF) None of the above
G) A) and E)

Question 12

___________ is when underground water is heated by radioactive decay and the steam it produces is then used for home heating or hot water use.

Accepted Answer

A)   Hydropower
B)   Wind power
C)   Fossil fuel burning
D)   Geothermal energy
E)   Solar energyF) A) and E)
G) C) and D)

Question 13

Because certain areas have greater diversity conservation biology would consider them

Accepted Answer

A)   Prioritized for preservation
B)   Typically overcrowded
C)   Sustainable ecosystems
D)   Subjected to edge effects
E)   Less stableF) All of the above
G) B) and D)

Question 14

Modern farming methods have resulted in all of the following except

Accepted Answer

A)   increase in the overall food supply.
B)   less efficient irrigation methods.
C)   heavy use of fertilizers, pesticides, and herbicides.
D)   excessive fuel consumption.
E)   planting of fewer genetic varieties of plants.F) C) and D)
G) All of the above

Question 15

The situation with major ocean fishing areas is

Accepted Answer

A)   good since the oceans are so large; they are the one remaining natural ecosystem.
B)   generally positive with only one or two of the 15 major oceanic fishing areas over-exploited.
C)   generally negative due to increased number and efficiency of fishing boats and the negative impact on biodiversity.
D)   positive for the bottom dwellers that are protected but negative for the schools of swimming fish.
E)   negative for the bottom dwellers that are over-fished by trawling but positive for the schools of swimming fish that can easily evade capture.F) None of the above
G) B) and C)

Question 16

A form of indirect value from biodiversity that leads to a partnership between less developed countries and resorts leading to an increased income base in the country is called

Accepted Answer

A)   Direct value
B)   Ecotourism
C)   Exotic species
D)   Colonization
E)   OverexploitationF) B) and D)
G) A) and E)

Question 17

The main goal of conservation biology is to

Accepted Answer

A)   Promote the needs of certain ecosystems that are determined to be in danger.
B)   Apply scientific principles to preserving and restoring ecosystems.
C)   Prevent the hunting and fishing of all species.
D)   Prevent the building of large structures like shopping malls and businesses.
E)   Promote the welfare of endangered species.F) B) and E)
G) A) and E)

Question 18

Resources that are not in limited supply are

Accepted Answer

A)   renewable resources.
B)   nonrenewable resources.
C)   squandered resources.
D)   fossil fuels.
E)   minerals.F) A) and E)
G) A) and D)

Question 19

Biodiversity hotspots are valuable because they contain large numbers of exotic species.

Accepted Answer

A) True 
 B)False

Question 20

Which of the following is not a method intended to extend nonrenewable resources?

Accepted Answer

A)   efficient use
B)   recycling
C)   over demand by MDC (more developed countries) 
D)   better extraction methods
E)   substitutionF) None of the above
G) A) and E)

Exam 37: Conservation Biology

The situation with major ocean fishing areas is

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Allowing animals to overgraze land could lead to all of the following consequences except

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Resources that are not in limited supply are

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Each biosphere reserve area is divided into three areas.Which of these do not describe one of those three areas?

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Because certain areas have greater diversity conservation biology would consider them

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A form of indirect value from biodiversity that leads to a partnership between less developed countries and resorts leading to an increased income base in the country is called

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Which of the following species would be considered a flagship species?

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List and explain the five causes of extinction.

Correct Answerverified1.Habitat loss: habitat loss and habitat...View AnswerShow Answer

Which of the following do not result in the loss of topsoil?

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Dams provide water for 40% of irrigated land,yet there are disadvantages to dams.Which of the following is NOT a disadvantage of dam use?

Correct AnswerverifiedShow Answer

Which one of the following is NOT a way that invasive (alien) species are introduced into a new habitat?

Correct AnswerverifiedShow Answer

The main goal of conservation biology is to

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Biodiversity hotspots are valuable because they contain large numbers of exotic species.

Correct AnswerverifiedShow Answer

Excessive use of water from aquifers does NOT lead to which of the following?

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Which of the following is not a method intended to extend nonrenewable resources?

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Which of the following statements is NOT true about biodiversity?

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___________ is when underground water is heated by radioactive decay and the steam it produces is then used for home heating or hot water use.

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Which of the following statements about conservation biology is not true?

Correct AnswerverifiedShow Answer

Modern farming methods have resulted in all of the following except

Correct AnswerverifiedShow Answer

Marginal rangeland becomes desert and farmland loses it productivity as a result of lost topsoil.Which of the following is a main cause of topsoil loss?

Correct AnswerverifiedShow Answer

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1.Habitat loss: habitat loss and habitat...
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