Exam 37: Conservation Biology

A) good since the oceans are so large; they are the one remaining natural ecosystem.
B) generally positive, with only 1 or 2 of the 15 major oceanic fishing areas overexploited.
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.

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A) research and hunting
B) light ecotourism and hunting
C) hunting and fishing
D) light ecotourism and research
E) None of the answer choices is correct.

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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) preserve land by preventing new developments like shopping malls and businesses.
E) promote the welfare of endangered species.

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

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A) dolphins
B) grasshoppers
C) ants
D) bats
E) dandelions

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A) the number of species included so it does not become overcrowded.
B) how large the area is so that it can be patrolled and monitored.
C) how small the area is so that edge effects will be minimized.
D) how close the area is to a national park so that wildlife will not be tempted to move from one area to the other.
E) the number of conservation corridors that connect to it.

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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) Low genetic diversity can lead to greater susceptibility to pathogens.
E) All of the answer choices describe reasons why genetic diversity is important.

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A) agricultural
B) medicinal
C) consumptive use
D) indirect
E) no

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A) agricultural
B) medicinal
C) consumptive use
D) indirect
E) no

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A) The size of tropical rain forests have been reduced from 14 percent to 6 percent.
B) Exotic species play a role in 50 percent of extinctions.
C) Coral reefs may become extinct in the next 40 years.
D) Overexploitation by human activities can lead to a loss of biodiversity.
E) All of the answer choices about biodiversity are true.

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E

A) prioritized for preservation.
B) typically overcrowded.
C) sustainable ecosystems.
D) subjected to edge effects.
E) less stable.

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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) All of the answer choices are true statements about conservation biology.

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A) desertification.
B) famine.
C) less land suitable for human habitation.
D) more rainwater runoff.
E) All of the answer choices describe consequences of overgrazing.

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E

A) zebra mussels
B) dandelions
C) kudzu
D) opposum shrimp
E) buffalo

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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.

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A) pollination of flowers by bees
B) production of antibiotics from fungi
C) increasing the survival rate of childhood leukemia from 10 percent to 90 percent
D) increasing the availability of food for the human population
E) supplies building materials for new construction

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A

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1. Biodiversity is desirable for the bio...

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

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