Question 1

Conservation biology supports all of the following ethical principles except

Accepted Answer

A)   all animals have the same rights or legal status as humans.
B)   biodiversity is desirable for the biosphere and humans.
C)   biodiversity has value in and of itself regardless of any practical benefit to humans.
D)   extinction due to human actions are undesirable.
E)   the complex interactions of ecosystems support biodiversity and are desirable.F) A) and D)
G) A) and E)

Question 2

An accumulation of mineral salts due to evaporation of irrigation water is called

Accepted Answer

A)   salinization.
B)   desalinization.
C)   desertification.
D)   forestation.
E)   sedimentation.F) C) and D)
G) B) and D)

Question 3

Hydropower and wind power are similar in that both are

Accepted Answer

A)   nonrenewable energy sources.
B)   renewable energy sources.
C)   commonly used worldwide as power sources.
D)   dependent in part on fossil fuels.
E)   sources of environmental pollution.F) B) and C)
G) A) and B)

Question 4

Multipurpose trees are useful for what purpose?

Accepted Answer

A)   improved pest control, as well as serving as a windbreak
B)   water conservation and improved pest control
C)   providing additional products, as well as serving as a windbreak
D)   restoring wetlands and improving soil quality
E)   providing fossil fuel sources and assisting with irrigationF) A) and B)
G) B) and C)

Question 5

A disproportionately large percentage of resources in more-developed countries (MDCs)  goes to

Accepted Answer

A)   growing crops.
B)   providing water.
C)   growing livestock.
D)   cleaning sewage.
E)   pest and weed control.F) B) and E)
G) A) and C)

Question 6

Wildlife management is a subfield of biology that supports conservation biology.

Accepted Answer

A) True 
 B)False

Question 7

The Canada lynx ( Lynx canadensis)  is currently listed as an endangered species. Which of the following would play the greatest role in removing the lynx from the endangered species list?

Accepted Answer

A)   create a law that bans the development and use of roads for snowmobiling and skiing in the lynx habitat
B)   pass a law that restricts hunting of lynx
C)   increase the amount of available prey for the lynx
D)   establish limits on the amount of timber that can be harvested from the forests that the lynx use as their habitat
E)   remove any potential competitors (i.e., wolves and coyotes)  from the lynx habitat to increase the amount of resources available for the lynxF) C) and D)
G) B) and D)

Question 8

One of the goals of conservation biology is to sustainably manage the Earth's biodiversityfor human use

Accepted Answer

A) True 
 B)False

Question 9

Which of the following human behaviors is considered sustainable?

Accepted Answer

A)   the use of the sun in order to produce a readily available form of energy
B)   consumption of meat by people in the United States
C)   the use of fossil fuels as our primary form of energy
D)   mining, processing, and the use of minerals for everyday products
E)   modern agricultural practices that require large amounts of fertilizersF) A) and E)
G) C) and D)

Question 10

Preserving biodiversity can increase the value of land and the resources extracted from it.

Accepted Answer

A) True 
 B)False

Question 11

Which of the following is an example of pollution?

Accepted Answer

A)   Turkeys enter a field and eat some of the seeds scattered on the ground.
B)   A heavy rain occurs, resulting in some ponding of water.
C)   Small amounts of iron leach from rocks in a streambed, increasing the amount of dissolved iron in the water.
D)   Leftover minerals from ores are left along a streambed, allowing leftover traces of the mineral to run off into the stream after heavy rains.
E)   Deer cross a stream, disturbing the sand and silt on the streambed, making the water muddy and cloudy.F) A) and E)
G) A) and B)

Question 12

The world today derives the majority of its energy from which of the following sources?

Accepted Answer

A)   coal and oil
B)   hydropower and nuclear power
C)   hydropower
D)   nuclear power
E)   wind and solar powerF) B) and E)
G) B) and D)

Question 13

Which of the following is a consequence of removing water from aquifers?

Accepted Answer

A)   land subsidence including sinkhole formation
B)   loss of habitat for aquatic organisms
C)   lowering of sea levels
D)   water seepage into underground rock beds
E)   sediment buildupF) D) and E)
G) A) and D)

Question 14

Which of the following activities will help make rural societies more sustainable?

Accepted Answer

A)   plant multipurpose trees
B)   design energy-efficient forms of transportation
C)   create greenbelts
D)   improve storm-water management
E)   promote sustainability by encouraging the recycling of business equipmentF) C) and E)
G) A) and D)

Question 15

A company that owns an office building decides to build a "green roof." Which of the following is least likely to occur as a result?

Accepted Answer

A)   higher water bills because of the need to irrigate vegetation
B)   fresh fruits and vegetables for employees to take home to their families
C)   additional recreational space for employees to enjoy during work breaks
D)   lower electric bills due to the extra insulation the vegetation provides
E)   lowered rainwater runoffF) B) and D)
G) C) and E)

Question 16

Which of the following practices would be most effective in reversing the loss of biodiversity on Earth?

Accepted Answer

A)   redesign city developments to revitalize existing areas instead of developing new ones
B)   increase the number of species housed in zoos and captive environments
C)   establish large-scale captive breeding programs to help bolster wild populations
D)   preserve the genetic material of endangered species
E)   eliminate the opportunity for invasive species to establish themselves in new communitiesF) A) and E)
G) A) and D)

Question 17

How much revenue is generated from ecotourism annually in the United States?

Accepted Answer

A)   25 million
B)   5 billion
C)   25 million.
D)   1 billion
E)   75 millionF) All of the above
G) A) and C)

Question 18

Which indirect value of biodiversity will have the greatest economical value to people?

Accepted Answer

A)   a twenty-hectare marshland that acts as a sponge for rainwater
B)   the ecotourism market in the United States
C)   two hundred hectares of wetlands in Canada that soak up pollutants and purify water
D)   forests that decrease erosion along the banks of rivers in the Philippines
E)   a row of trees that act as a wind block on the northwest side of our homes, decreasing our need for air conditioning and cooling systems in the summerF) D) and E)
G) None of the above

Question 19

More sparse urban settlement patterns may help conserve energy and preserve the environment.

Accepted Answer

A) True 
 B)False

Question 20

Desertification is primarily caused by which of the following activities?

Accepted Answer

A)   overgrazing of livestock
B)   overplanting of crops
C)   overuse of farm machinery
D)   lack of rainfall
E)   restoration of wetlandsF) D) and E)
G) B) and C)

Exam 32: Human Impact on the Biosphere

Which of the following practices would be most effective in reversing the loss of biodiversity on Earth?

Correct AnswerverifiedShow Answer

Desertification is primarily caused by which of the following activities?

Correct AnswerverifiedShow Answer

One of the goals of conservation biology is to sustainably manage the Earth's biodiversityfor human use

Correct AnswerverifiedShow Answer

Hydropower and wind power are similar in that both are

Correct AnswerverifiedShow Answer

Wildlife management is a subfield of biology that supports conservation biology.

Correct AnswerverifiedShow Answer

Which indirect value of biodiversity will have the greatest economical value to people?

Correct AnswerverifiedShow Answer

Which of the following is an example of pollution?

Correct AnswerverifiedShow Answer

How much revenue is generated from ecotourism annually in the United States?

Correct AnswerverifiedShow Answer

More sparse urban settlement patterns may help conserve energy and preserve the environment.

Correct AnswerverifiedShow Answer

A disproportionately large percentage of resources in more-developed countries (MDCs) goes to

Correct AnswerverifiedShow Answer

Multipurpose trees are useful for what purpose?

Correct AnswerverifiedShow Answer

A company that owns an office building decides to build a "green roof." Which of the following is least likely to occur as a result?

Correct AnswerverifiedShow Answer

Which of the following is a consequence of removing water from aquifers?

Correct AnswerverifiedShow Answer

Which of the following human behaviors is considered sustainable?

Correct AnswerverifiedShow Answer

Conservation biology supports all of the following ethical principles except

Correct AnswerverifiedShow Answer

Which of the following activities will help make rural societies more sustainable?

Correct AnswerverifiedShow Answer

Preserving biodiversity can increase the value of land and the resources extracted from it.

Correct AnswerverifiedShow Answer

An accumulation of mineral salts due to evaporation of irrigation water is called

Correct AnswerverifiedShow Answer

The Canada lynx ( Lynx canadensis) is currently listed as an endangered species. Which of the following would play the greatest role in removing the lynx from the endangered species list?

Correct AnswerverifiedShow Answer

The world today derives the majority of its energy from which of the following sources?

Correct AnswerverifiedShow Answer

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