Understanding Biogeography and Ecology

Which of the following best describes the concept of island biogeography?

• The study of the distribution of species across continents.

• The study of the ecological and evolutionary processes that affect the species composition and diversity on islands.

• The study of the migration patterns of birds.

• The study of the impact of human activities on mainland ecosystems.

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What is the primary factor that influences species richness on islands according to the theory of island biogeography?

• The size of the island.

• The distance of the island from the mainland.

• The climate of the island.

• The age of the island.

Which of the following is an example of ecological tolerance?

• A plant species that can only survive in a narrow range of temperatures.

• A bird species that migrates seasonally.

• A fish species that lives in both freshwater and saltwater.

• A mammal species that hibernates during winter.

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How does the concept of ecological tolerance relate to species distribution?

• Species with narrow ecological tolerance are more widely distributed.

• Species with broad ecological tolerance can inhabit a wider range of environments.

• Ecological tolerance has no impact on species distribution.

• Species with broad ecological tolerance are limited to specific environments.

When interpreting a graph showing species richness on islands of different sizes, what trend would you expect to see?

• Species richness decreases as island size increases.

• Species richness remains constant regardless of island size.

• Species richness increases as island size increases.

• Species richness is highest on medium-sized islands.

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In a graph showing the relationship between island size and species extinction rate, what trend would you expect to see?

• Extinction rate increases with island size.

• Extinction rate decreases with island size.

• Extinction rate is constant regardless of island size.

• Extinction rate is highest on medium-sized islands.

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What does a graph showing a species' ecological tolerance typically illustrate?

• The range of environmental conditions a species can survive in.

• The number of individuals in a population.

• The migration patterns of a species.

• The genetic diversity within a species.

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How might a graph depicting the relationship between island size and species diversity be used to make predictions?

• By estimating the number of species on a new island based on its size.

• By determining the age of the island.

• By predicting the climate of the island.

• By calculating the human population on the island.

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Which of the following statements is true regarding the relationship between ecological tolerance and environmental changes?

• Species with narrow ecological tolerance are more adaptable to environmental changes.

• Species with broad ecological tolerance are more vulnerable to environmental changes.

• Species with narrow ecological tolerance are more vulnerable to environmental changes.

• Ecological tolerance does not affect a species' response to environmental changes.

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In the context of island biogeography, what is the significance of the equilibrium point on a graph showing immigration and extinction rates?

• It represents the maximum number of species an island can support.

• It represents the point where immigration and extinction rates are equal.

• It represents the minimum number of species an island can support.

• It represents the average size of the species on the island.

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