Food Chains, Webs, and Pyramids

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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 are producers in a food chain?

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Producers are organisms, typically plants or algae, that create their own food through photosynthesis and form the base of the food chain.

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What are primary consumers?

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Primary consumers are herbivores that eat producers (plants) and are the second level in a food chain.

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What are secondary consumers?

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Secondary consumers are organisms that eat primary consumers; they can be carnivores or omnivores.

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What are tertiary consumers?

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Tertiary consumers are predators that eat secondary consumers and are typically at the top of the food chain.

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What is a carnivore?

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A carnivore is an organism that primarily eats meat.

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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 an omnivore?

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

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What is an energy pyramid?

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An energy pyramid is a graphical representation that shows the flow of energy at different trophic levels in an ecosystem, with producers at the base and top predators at the apex.