Biodiversity

Which theory best explains the relationship between climate and biodiversity?

• Warmer climates promote higher biodiversity, allowing plants to grow year-round.

• Colder climates promote higher biodiversity, reducing the competition among organisms for food.

• Warmer climates promote higher biodiversity because they tend to receive more rainfall.

• Colder climates promote higher biodiversity because they are usually larger in size.

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Why are nonnative species a threat to biodiversity?

• They are not able to successfully breed in the wild.

• They release pollution into many environments.

• They easily contract and spread diseases to other organisms.

• They often use up resources that other organisms need.

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Which best protects animal species that are endangered due to overhunting?

• laws

• poaching

• captive breeding

• increased biodiversity

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Which is the best way to describe the biodiversity of an area?

• A rainforest has fertile soil that supports many kinds of plants.

• A pond has 12 species of organisms, including 300 animals and 40 plants.

• A desert has 10 species of animals that can survive dry conditions.

• A grassland has organisms that live on hundreds of acres of land.

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Which label belongs in the area marked Y?

• has the goal of releasing animals in the wild

• is often done in nature preserves

• usually protects entire ecosystems

• focuses on increasing the population of a single species

Does this graph represent the relationship between sustainability and biodiversity?

• Yes, because as the sustainability increases so does the biodiversity.

• No, because the higher the sustainability the less biodiversity.

• Yes, because sustainability and biodiversity are NOT related to one another.

• No, because sustainability and biodiversity are NOT related to one another.

What is sustainability?

• the number of organisms in an area

• being able to continue for a long time

• the variety of organisms in an area

• being able to grow larger over time

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Which will most likely cause the sustainability of an ecosystem to weaken?

• A zebra is killed and eaten by a lion.

• A disease wipes out several plant species.

• A frog lays hundreds of eggs that hatch into tadpoles.

• A dry season causes a few small trees to die.

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Which best describes the relationship between area and biodiversity within an ecosystem?

• Large ecosystems always have higher biodiversity than smaller ecosystems.

• A large area of a forest will likely have higher biodiversity than a smaller area of same forest.

• The same area of two different types of ecosystems will have the same biodiversity.

• A half acre of rainforest would likely have greater biodiversity than a full acre of desert.

The illegal killing or capturing of wild animals is called

• poaching

• capitive breeding

• habitat destruction

• pollution

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