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Selection cutting is a more severe disturbance to a forest ecosystem than clear cutting.

A) True
B) False

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Butterflies move more frequently between habitats connected by corridors than between unconnected habitats.

A) True
B) False

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Habitat corridors have two roles: providing a unique habitat for some plant and animal species and providing a means of dispersal between larger patches of habitat.

A) True
B) False

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Fire is a human-caused disturbance that is not a natural part of ecosystems.

A) True
B) False

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The scale of a disturbance is measured by the mean number of disturbances that occur within a specific time interval.

A) True
B) False

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The greater the contrast between two adjoining habitat patches,the greater is the diversity of species living along the border between the two patches.

A) True
B) False

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The patchwork of different types of land cover is called a(n)________.

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The ________ mosaic view of the landscape considers landscapes as composed of multiple patches or communities,each in a different phase of successional development due to disturbances.

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The study of the causes and ecological consequences of spatial patterns on the landscape is called ________.

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Habitat corridors are usually of human origin.

A) True
B) False

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Wind and moving ________ are two powerful agents of disturbance.

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Plants adapted to edge environments tend to be


A) tolerant of shade and prefer moisture.
B) tolerant of shade and dry conditions.
C) intolerant of shade and prefer moisture.
D) intolerant of shade and tolerant of dry conditions.

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

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As a patch increases in size,the ratio of interior to edge increases.

A) True
B) False

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Within a mosaic,a(n)________ is a relatively homogeneous community type,differing from its surroundings in both structure and species composition.

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Subpopulations within a metapopulation are isolated from one another with no movement of individuals between subpopulations.

A) True
B) False

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Edges along landscape patches that are caused by disturbances and are subject to successional changes over time are called ________ edges.

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A(n)________ species lives within the borders of a habitat patch,avoiding edges where habitat change is abrupt.

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Animals can function as agents of disturbance.

A) True
B) False

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An inherent edge of a patch


A) is relatively stable.
B) is usually temporary.
C) is often subject to successional changes over time.
D) results from natural disturbances or human-related activities.

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

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Which of the following statements is true?


A) Large patches of habitat usually contain fewer species than small patches.
B) Large animals usually have larger home ranges than smaller animals.
C) Carnivore home ranges are usually smaller than herbivore home ranges.
D) Small species are usually limited to small habitat patches.

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

Correct Answer

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