Question 1

Species extinctions are inevitable so expending resources on combating species loss is pointless.

Accepted Answer

A) True 
 B)False  False

Question 2

Schrub vegetation refers to

Accepted Answer

A)   drought resistent.
B)   low shrubs and grasses with some adaptations to semiarid conditions.
C)   a plant that survives seasonally unfavorable conditions underground.
D)   woody plants with small, leathery evergreen leaves.E) All of the above
F) A) and C)

Question 3

Deserts, by definition, contain very little vegetation and are represented instead by large areas of windswept sand (ergs).

Accepted Answer

A) True 
 B)False

Question 4

Which of the following is not an issue in biodiversity conservation in the 21st Century?

Accepted Answer

A)   Conservation of threatened and endangered species.
B)   Mitigating against the possible ill effects of climate change.
C)   Reducing human population growth.
D)   Biodiversity conservation in the 21st Century requires addressing threats to endangered species, climate change, and human population pressures.E) C) and D)
F) B) and D)

Question 5

What is conservation biogeography? What are its primary focuses?

Accepted Answer

Conservation biogeography is a subdiscip...

Question 6

Despite widespread tropical deforestation, tropical rain forests are able to quickly regenerate owing to the extremely fertile conditions in the biome.

Accepted Answer

A) True 
 B)False

Question 7

Rainforests occupy approximately ________ of the world's land area, but represent about ________ of Earth's species.

Accepted Answer

A)   2%; 12%
B)   7%; 50%
C)   10%; 35%
D)   12%; 65%E) B) and C)
F) C) and D)

Question 8

The most modified biome by human activity is the midlatitude grasslands.

Accepted Answer

A) True 
 B)False

Question 9

The world's largest living organisms in terms of biomass occur in the boreal and montane forest biome.

Accepted Answer

A) True 
 B)False

Question 10

Of all the natural biomes, this one is most modified by human activity.

Accepted Answer

A)   midlatitude grassland
B)   tropical savanna
C)   tropical rainforest
D)   midlatitude broadleaf and mixed forestE) None of the above
F) A) and B)

Question 11

Which of the following best describes an invasive species?

Accepted Answer

A)   An invasive species is any non-native introduced species, whether it becomes established or not.
B)   Non-native species become invasive when they become established in a new area, taking over niches that were already occupied by native species.
C)   Dispersal, even if anthropogenic, is a normal biogeographic process and, therefore, no cause of alarm.
D)   Approximately 90% of all introduced non-native species become invasive species.E) None of the above
F) C) and D)

Question 12

Each year, an area of tropical rain forest approximately the size of Wisconsin is cleared.

Accepted Answer

A) True 
 B)False

Question 13

What are the important factors used in defining a biogeographic realm?

Accepted Answer

The Earth's biogeographic realms is divi...

Question 14

Which of the following best describes the vegetation of the Mediterranean shrubland biome?

Accepted Answer

A)   semideciduous
B)   broadleaf deciduous
C)   needleleaf evergreen
D)   sclerophyllousE) A) and C)
F) None of the above

Question 15

Earth's remaining undisturbed ecosystems have become a focus of tourism, recreation, and scientific attention.

Accepted Answer

A) True 
 B)False  True

Question 16

According to MacArthur and Wilson's theory of island biogeography, which of the following is correct?

Accepted Answer

A)   The number of species decreases with island area.
B)   The number of species increases with island area.
C)   There is no relationship between species number and island area.D) All of the above
E) A) and C)

Question 17

Distinctive oceanic regions identified on the basis of organisms, ocean floor topography, currents, areas of nutrient-rich upwelling circulation, or areas of significant predation are called

Accepted Answer

A)   mariregions.
B)   large marine ecosystems (LMEs) .
C)   the ocean biome.
D)   the littoral zone.E) A) and D)
F) B) and C)

Question 18

The largest area of tropical savanna is found in

Accepted Answer

A)   Africa.
B)   North America.
C)   Asia.
D)   Australia.E) C) and D)
F) A) and B)

Question 19

According to MacArthur and Wilson's theory of island biogeography, which of the following is correct?

Accepted Answer

A)   The number of species decreases with island isolation.
B)   The number of species increases with island isolation.
C)   There is no relationship between species number and island isolation.D) A) and B)
E) A) and C) A

Question 20

Which of the following is true about the distribution of the Earth's biodiversity?

Accepted Answer

A)   There is a universally accepted manner to delineate the Earth's biodiversity.
B)   In general, there tends to be greater biodiversity at higher latitudes than lower latitudes.
C)   The Earth's biodiversity is spread unevenly across the planet.
D)   The distribution of the Earth's biodiversity is driven solely by climate.E) All of the above
F) B) and C)

Exam 20: Terrestrial Biomes

Species extinctions are inevitable so expending resources on combating species loss is pointless.

Correct AnswerverifiedFalse

Schrub vegetation refers to

Correct AnswerverifiedShow Answer

Deserts, by definition, contain very little vegetation and are represented instead by large areas of windswept sand (ergs).

Correct AnswerverifiedShow Answer

Which of the following is not an issue in biodiversity conservation in the 21st Century?

Correct AnswerverifiedShow Answer

What is conservation biogeography? What are its primary focuses?

Correct AnswerverifiedConservation biogeography is a subdiscip...View AnswerShow Answer

Despite widespread tropical deforestation, tropical rain forests are able to quickly regenerate owing to the extremely fertile conditions in the biome.

Correct AnswerverifiedShow Answer

Rainforests occupy approximately ________ of the world's land area, but represent about ________ of Earth's species.

Correct AnswerverifiedShow Answer

The most modified biome by human activity is the midlatitude grasslands.

Correct AnswerverifiedShow Answer

The world's largest living organisms in terms of biomass occur in the boreal and montane forest biome.

Correct AnswerverifiedShow Answer

Of all the natural biomes, this one is most modified by human activity.

Correct AnswerverifiedShow Answer

Which of the following best describes an invasive species?

Correct AnswerverifiedShow Answer

Each year, an area of tropical rain forest approximately the size of Wisconsin is cleared.

Correct AnswerverifiedShow Answer

What are the important factors used in defining a biogeographic realm?

Correct AnswerverifiedThe Earth's biogeographic realms is divi...View AnswerShow Answer

Which of the following best describes the vegetation of the Mediterranean shrubland biome?

Correct AnswerverifiedShow Answer

Earth's remaining undisturbed ecosystems have become a focus of tourism, recreation, and scientific attention.

Correct AnswerverifiedTrue

According to MacArthur and Wilson's theory of island biogeography, which of the following is correct?

Correct AnswerverifiedShow Answer

Distinctive oceanic regions identified on the basis of organisms, ocean floor topography, currents, areas of nutrient-rich upwelling circulation, or areas of significant predation are called

Correct AnswerverifiedShow Answer

The largest area of tropical savanna is found in

Correct AnswerverifiedShow Answer

According to MacArthur and Wilson's theory of island biogeography, which of the following is correct?

Correct AnswerverifiedA

Which of the following is true about the distribution of the Earth's biodiversity?

Correct AnswerverifiedShow Answer

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False

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Conservation biogeography is a subdiscip...
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Rainforests occupy approximately of the world's land area, but represent about of Earth's species.

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Correct Answer
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Correct Answer
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The Earth's biogeographic realms is divi...
View Answer

Correct Answer
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True

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Correct Answer
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Correct Answer
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A

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