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What term is used on many tropical islands to refer to fruit-eating bats?


A) keystone species
B) generalists
C) alien species
D) indicator species

E) None of the above
F) All of the above

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What are the characteristics of an ecosystem that is vulnerable to invader species?

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absence of predators; low dive...

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Gene banks, zoos, and aquariums are sanctuaries that are being used to protect wild species.

A) True
B) False

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What may occur as a result of importing exotic birds for use as household pets?


A) a 20% animal death rate
B) improved health of the pet owner
C) the species becoming endangered or threatened
D) increased tourist revenues in the exporting countries

E) A) and C)
F) A) and D)

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What has nearly driven prairie dogs to extinction?


A) coyotes
B) shotguns and rifles
C) poison
D) imported black-footed ferrets

E) All of the above
F) None of the above

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Which of the following leads to a decrease in biodiversity?


A) ecological land-use planning
B) protection of ecosystems
C) pollution control
D) introduction of exotic species

E) B) and D)
F) A) and C)

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Which species still survives in Canada?


A) the Labrador duck
B) the passenger pigeon
C) the burrowing owl
D) the great auk

E) All of the above
F) A) and B)

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One solution to the problem of ______________________________ is to connect the patches by planting corridors of native vegetation.

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habitat fr...

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_________________________, which are the only remaining means of maintaining long-term genetic progress, help preserve plant species.

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Why is the timber wolf prone to extinction?


A) because of its preference to prey on livestock
B) because of its specialized breeding areas
C) because of its large size
D) because of its fixed migratory patterns

E) A) and B)
F) A) and C)

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Why were passenger pigeons hunted?


A) Their feathers were used to stuff pillows.
B) They were fed to cats.
C) People feared them.
D) They ate too many insects.

E) B) and D)
F) B) and C)

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Which population has been depleted due to the pet trade?


A) temperate fish
B) arctic fish
C) tropical birds
D) Canadian mammals

E) None of the above
F) C) and D)

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What is the view of most Canadians, in terms of the Species at Risk Act?


A) They feel that the Species at Risk Act needs to be applied less widely and seriously.
B) They feel the Species at Risk Act is doing enough.
C) They support the Species at Risk Act in principle but are unhappy with certain flaws.
D) They have not embraced the Species at Risk Act.

E) A) and B)
F) None of the above

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A slow reproduction rate makes a species especially vulnerable to biological extinction.

A) True
B) False

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Which island would likely have the largest number of species?


A) a medium-sized island in the middle of an island chain
B) a small island far removed from other sites
C) a large island far removed from other sites
D) a large island near the mainland

E) None of the above
F) All of the above

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Plants with broad geographic range and habitat requirements are not prone to ______________________________.

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habitat fr...

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What is the greatest species terminator?


A) destruction of tropical forest habitat
B) destruction of coral reef habitat
C) destruction of grassland habitat
D) destruction of desert habitat

E) None of the above
F) A) and B)

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Which of the following "values" do species have, according to people who believe that wild species have an inherent right to exist?


A) extrinsic value
B) intrinsic value
C) economic value
D) utilitarian value

E) None of the above
F) All of the above

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What are the characteristics of a species that is prone to extinction?

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low reproductive rate; special...

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What is the most significant difference between the current extinction crisis and previous mass extinctions?


A) Recovery is likely to be faster because of genetic engineering.
B) It is taking place at a slower rate.
C) It is caused by the human species.
D) Ecosystems that store genes for future generations have been protected.

E) A) and C)
F) A) and B)

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