2.3 Island Biogeography Theory Content Quiz

What does island biogeography study?

• The relationships between plants and animals on the mainland.

• The distribution of organisms in large continents.

• The ecological relationships and distribution of organisms on islands.

• The movement of species within the same ecosystem.

What often happens when invasive species (generalists) are introduced to an island?

• They outcompete the specialists on the island.

• They have no impact on the island's ecosystem.

• They become specialists themselves.

• They form a symbiotic relationship with the specialists.

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Why are island species considered specialists?

• Because they have access to a wide variety of food resources on islands.

• Because islands provide ample territory for them to explore.

• Because they have limited food choices and preferences on islands.

• Because they are not adapted to island life.

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Why do small isolated islands often have a higher rate of species extinction?

• Because they have more diverse habitats and tropical weather patterns

• Because they offer a larger territory for species.

• Because they have unlimited food resources.

• Because they have fewer different habitats and food options.

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Why do smaller islands have a lower immigration rate?

• Because they are less appealing to species looking for new homes.

• Because they have more diverse ecosystems.

• Because they are a smaller target for species to find.

• Because they have a greater variety of food options.

How does the theory of Island biogeography apply to habitats on a continent?

• Large wild areas close to other large wild areas will have more biodiversity.

• Single large wild areas are most important for biodiversity.

How can we increase the biodiversity of isolated habitats?

• Create wildlife corridors to connect wild areas.

• Create more roads to connect preserves so people can come to the preserves.

• Create more zoos to keep species safe from development.

• Allow hunting in wild areas so hunting funds can be used to protect large tree species.

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