Food Chains Food Webs Food Pyramids Review

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What is a food chain?

Back

A food chain is a linear sequence that shows how energy and nutrients flow from one organism to another in an ecosystem, illustrating who eats whom.

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What is a food web?

Back

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

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What is a food pyramid?

Back

A food pyramid is a graphical representation that shows the different levels of a food chain or food web, illustrating the energy flow and the number of organisms at each level.

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What are producers?

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Producers are organisms, typically plants, that create their own food through photosynthesis, forming the base of the food chain.

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What are consumers?

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Consumers are organisms that cannot produce their own food and rely on eating other organisms for energy.

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What is an omnivore?

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

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What is a herbivore?

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A herbivore is an organism that primarily eats plants.

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What is a carnivore?

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A carnivore is an organism that primarily eats other animals.

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What role do decomposers play in an ecosystem?

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Decomposers break down dead organic matter, returning nutrients to the soil and helping to recycle energy within the ecosystem.

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What is competition in a food web?

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Competition occurs when two or more organisms vie for the same resources, such as food, space, or mates, within a food web.