Biodiversity Adaptations Ecological Tolerance Ecosystem Services and Island Biogeography

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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What prediction is correct about island biogeography?

• Smaller islands have more resources, and will have more biodiversity

• Larger islands have more space for resources, but will have less biodiversity due to competition

• Islands closer to mainland will be more diverse due to more successful dispersal.

• There is more diversity far away from the mainland because some species fly.

Ecosystem services

• are the processes by which life-supporting resources are produced.

• indicate the current state of the environment.

• are valued for their beauty.

• refer to abiotic features of the environment.

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The aesthetic value of an ecosystem provides

• a supporting service.

• a regulating service.

• an intrinsic value.

• a cultural service.

Based on the theory of island biogeography, which of the following is the most likely reason that an island in the ocean that is 5 kilometers from a continent would have a higher number of species than one that is 15 kilometers from a continent?

• There are more species that have the ability to travel 5 kilometers than can travel 15 kilometers.

• Islands that are closer to continents always have a wider range of habitats than more distant islands do.

• There are smaller populations of each species on islands that are at greater distances from continents.

• Islands that are closer to continents always have more ecological niches than more distant islands do.

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Based on the theory of island biogeography, which of the following is the most likely reason that an island in the ocean that is 5 kilometers from a continent would have a higher number of species than one that is 15 kilometers from a continent

• There are more species that have the ability to travel 5 kilometers than can travel 15 kilometers.

• Islands that are closer to continents always have a wider range of habitats than more distant islands do.

• There are smaller populations of each species on islands that are at greater distances from continents.

• Islands that are closer to continents always have more ecological niches than more distant islands do.

In Island Biogeography which idea reflects the concept that larger islands will have more diversity than smaller islands.

• Target Size

• Distance Effect

• Differential Extinction

• Natural Selection

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

• Island distance from mainland

• How the island is formed

• Island size

• All of these are correct

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Which of the following pairs would be considered a regulating service of biodiversity?

• Food and fresh water

• Pollination and biological control

• Tourism and the arts

• Habitats and genetic diversity

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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