Food chains and food webs

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What is a Food Chain?

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A linear sequence of organisms where each is eaten by the next in the chain, showing how energy and nutrients flow through an ecosystem.

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What is a Food Web?

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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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An organism that can make its own food using sunlight or chemical energy, such as plants and some bacteria.

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What is a Consumer?

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An organism that cannot produce its own food and must eat other organisms for energy.

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What is a Herbivore?

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A consumer that eats only plants.

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What is a Carnivore?

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A consumer that eats only other animals.

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What is an Omnivore?

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A consumer that eats both plants and animals.

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What is a Decomposer?

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An organism that breaks down dead or decaying organisms, returning nutrients to the soil.

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What are Abiotic Factors?

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Non-living components of an ecosystem, such as sunlight, water, temperature, and soil.

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What is the 10% Rule in a Food Pyramid?

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Only about 10% of the energy from one trophic level is transferred to the next level in a food pyramid.