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 environment (land, water, air).

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What is a biome?

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A biome is a large area characterized by its climate, soil, plants, and animals. Examples include deserts, forests, and tundras.

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What is a producer?

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A producer is an organism that makes its own food using sunlight, water, and carbon dioxide, usually through photosynthesis. Examples include plants and algae.

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What is a consumer?

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A consumer is an organism that cannot make its own food and must eat other organisms (plants or animals) for energy.

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What is a herbivore?

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A herbivore is a type of consumer that only eats plants. Examples include cows, rabbits, and deer.

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What is a carnivore?

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A carnivore is a type of consumer that only eats other animals. Examples include lions, sharks, and eagles.

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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. Examples include fungi and bacteria.

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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 permafrost?

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