Review Ecosystems biomes and food webs

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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 are producers?

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Producers are organisms that make their own food using sunlight, water, and carbon dioxide, like plants.

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What are consumers?

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Consumers are organisms that eat other living things for energy. They cannot make their own food.

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What is a food chain?

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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 is a food web?

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A food web is a complex network of interconnected food chains in an ecosystem, showing how different organisms are related.

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What is a herbivore?

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A herbivore is an animal that only eats plants.

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What is a carnivore?

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A carnivore is an animal that only eats other animals.

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What is an omnivore?

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An omnivore is an animal that eats both plants and animals.

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What is permafrost?

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Permafrost is soil that is always frozen, found in cold regions like the tundra.

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What biome is characterized by very little rainfall and extreme temperatures?

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Desert.