Food Chains, Webs and Energy 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 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.

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What is a producer?

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A producer is an organism that can create its own food through photosynthesis or chemosynthesis, typically plants and some bacteria.

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What is a primary consumer?

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A primary consumer is an organism that feeds on producers; they are herbivores that obtain energy by consuming plants.

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What is a secondary consumer?

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A secondary consumer is an organism that feeds on primary consumers; they can be carnivores or omnivores.

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What is a tertiary consumer?

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A tertiary consumer is an organism that feeds on secondary consumers; they are often top predators in the food chain.

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What is an omnivore?

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An omnivore is an organism that eats both plants and animals, obtaining energy from multiple sources.

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What is a herbivore?

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A herbivore is an organism that primarily feeds on plants, obtaining energy from plant material.

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What is a carnivore?

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A carnivore is an organism that primarily feeds on other animals, obtaining energy from animal flesh.