Ecosystem Review

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What is an ecosystem?

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An ecosystem is a community of living organisms (plants, animals, and microorganisms) interacting with their physical environment (air, water, soil).

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What is a producer in an ecosystem?

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A producer is an organism that can make its own food, usually through photosynthesis, like plants.

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What is a consumer in an ecosystem?

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A consumer is an organism that cannot make its own food and must eat other organisms for energy.

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What is a decomposer?

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A decomposer is an organism that breaks down dead plants and animals, returning nutrients to the soil.

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What is the flow of energy in a food chain?

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Energy flows from producers to consumers and then to decomposers in a food chain.

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What happens to the population of predators if their prey becomes scarce?

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If prey becomes scarce, the population of predators is likely to decrease due to lack of food.

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What are examples of prey in an ecosystem?

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Examples of prey include animals like mice and grasshoppers that are eaten by predators.

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What role do plants play in an ecosystem?

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Plants are producers that provide energy for consumers through photosynthesis.

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How do decomposers benefit the ecosystem?

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Decomposers recycle nutrients back into the soil, helping plants grow.

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What is a food web?

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A food web is a complex network of interconnected food chains in an ecosystem.