Ecosystems (5.L.2.2-2.3) Review

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What is a producer in an ecosystem?

Back

A producer is an organism that makes its own food through photosynthesis, such as plants.

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What role do consumers play in an ecosystem?

Back

Consumers are organisms that eat other organisms for energy, including herbivores, carnivores, and omnivores.

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What is a decomposer?

Back

Decomposers are organisms that break down dead plant and animal matter, returning nutrients to the soil.

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What is a food chain?

Back

A food chain is a sequence that shows how energy and nutrients flow from one organism to another in an ecosystem.

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What happens to a food chain if a producer is removed?

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If a producer is removed, the entire food chain can be affected, as consumers rely on producers for energy.

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How do changes in one population affect other populations in an ecosystem?

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Changes in one population can lead to increases or decreases in other populations due to predator-prey relationships.

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What is the main energy source for producers?

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The main energy source for producers is sunlight, which they use to perform photosynthesis.

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What is the impact of overhunting on predator populations?

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Overhunting can lead to a decline in predator populations, which may cause an increase in prey populations.

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What is an example of a consumer?

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An example of a consumer is a lion, which preys on animals like wildebeests.

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What is the relationship between plants and herbivores?

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Plants are producers that provide food for herbivores, which are primary consumers.