Food chains and Food webs

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What is a food chain?

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A food chain is a linear sequence that shows how energy and nutrients flow from one organism to another in an ecosystem, starting from producers to various levels of consumers.

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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, illustrating how different organisms are related through feeding relationships.

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What is a producer?

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A producer is an organism, usually a plant, that can make its own food through photosynthesis and serves as a primary source of energy in a food chain.

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What is a consumer?

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

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What is a carnivore?

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A carnivore is an animal that primarily eats other animals.

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What is an herbivore?

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An herbivore is an animal that primarily eats plants.

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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 a decomposer?

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A decomposer is an organism, such as bacteria or fungi, that breaks down dead organic material, returning nutrients to the soil.

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What is the 10% rule in an energy pyramid?

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The 10% rule states that only about 10% of the energy from one trophic level is transferred to the next level in an energy pyramid.

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What is a trophic level?

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A trophic level is a position in a food chain or food web that indicates the organism's role in the flow of energy and nutrients.