Question 1

Which of the following statements is true about biodiversity?

Accepted Answer

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. 
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. E

Question 2

Allowing animals to overgraze land could lead to

Accepted Answer

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. 
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. E

Question 3

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 percent to 90 percent 
D)  increasing the availability of food for the human population 
E)  supplies building materials for new construction 
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 A

Question 4

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

Question 5

Resources that are not in limited supply are called

Accepted Answer

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

Question 6

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

Question 7

Compare the direct and indirect values of biodiversity by listing three direct values and three indirect values of biodiversity.

Accepted Answer

Direct values of biodiversity include me

Question 8

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 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. 
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.

Question 9

When designing a reserve area, there should be a limit to

Accepted Answer

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. 
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.

Question 10

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

Accepted Answer

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

Question 11

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

Question 12

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

Question 13

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. 
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.

Question 14

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

Question 15

Which of the the following is an example of a species native to the United States?

Accepted Answer

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

Question 16

Explain the four ethical principles embodied by conservation biology.

Accepted Answer

1. Biodiversity is desirable for the bio

Question 17

The regulation of climate, cleansing of fresh water, and support of ecotourism are examples of what type of value drawn from biodiversity?

Accepted Answer

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

Question 18

Excessive use of water from aquifers can lead to which of the following?

Accepted Answer

A)  subsidence 
B)  sink holes 
C)  saltwater intrusion 
D)  water shortages 
E)  All of the answer choices describe consequences of removing too much water from aquifers. 
A)  subsidence 
B)  sink holes 
C)  saltwater intrusion 
D)  water shortages 
E)  All of the answer choices describe consequences of removing too much water from aquifers.

Question 19

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

Accepted Answer

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

Question 20

Which of these activities would be permitted in the core of a biosphere reserve?

Accepted Answer

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. 
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.

Exam 37: Conservation Biology

Which of the following statements is true about biodiversity?

Allowing animals to overgraze land could lead to

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

Which of the following is a reason that genetic diversity is important?

Resources that are not in limited supply are called

Because certain areas have greater diversity, conservation biology would consider them

Compare the direct and indirect values of biodiversity by listing three direct values and three indirect values of biodiversity.

The situation with major ocean fishing areas is

When designing a reserve area, there should be a limit to

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

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

The main goal of conservation biology is to

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

Which of the following statements about conservation biology is true?

Which of the the following is an example of a species native to the United States?

Explain the four ethical principles embodied by conservation biology.

The regulation of climate, cleansing of fresh water, and support of ecotourism are examples of what type of value drawn from biodiversity?

Excessive use of water from aquifers can lead to which of the following?

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

Which of these activities would be permitted in the core of a biosphere reserve?

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