Island Biogeography

The theory of island biogeography suggests that species richness is affected by which of the following factors?

I. island distance from mainland

II. how the island is formed

III. island size

• II only

• III only

• I and III

• II and III

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Which is NOT a factor in the theory of island biogeography?

• Islands farther from the continent have more species due to increased speciation

• dispersing species are more likely to find a large habitat

• islands can also be isolated areas within a continent

• larger habitats contain a larger range of environmental conditions

What is is the study of how and why plants and animals live where they do?

• Evolution

• Adaptive Radiation

• Biogeography

• Biogeology

Genetic diversity plays an important role in the survival or extinction of small, isolated populations

• True

• False

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You are on a town committee formed to determine the borders for a new local nature park. You explain that according to the theory of island biogeography, if the committee wishes to promote species richness it should

• II only

• III only

• I and II

• I, II, and III

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The study of where organisms live and how they got there is called ___________________________.

• ecology

• biogeography

• entomology

• chemistry

Based on the theory of island biogeography, which of the following would most likely experience the greatest decline of specialist species if an invasive species emigrated from the mainland?

• A small island a far distance from the mainland

• A small island in close proximity to the mainland

• A large island a far distance from the mainland

• A large island in close proximity to the mainland

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Which of the following is a key concept of the theory of island biogeography?

• Species richness increases with island size

• Species richness decreases with island size

• Distance from the mainland does not affect species richness

• Species richness is unaffected by island size

What is the primary factor that influences species extinction rates on islands according to island biogeography?

• Island size

• Island shape

• Island color

• Island elevation

According to the theory of island biogeography, which island would likely have the highest species diversity?

• A large island close to the mainland

• A small island far from the mainland

• A large island far from the mainland

• A small island close to the mainland

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