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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, starting from producers to various levels of consumers.

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What is a food web?

Back

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?

Back

A producer is an organism, typically a plant, that can make its own food through photosynthesis, serving as the base of the food chain.

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What is a primary consumer?

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A primary consumer is an organism that eats producers; they are usually 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 eats primary consumers; they can be carnivores or omnivores.

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What is a decomposer?

Back

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

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What is an energy pyramid?

Back

An energy pyramid is a graphical representation that shows the flow of energy at different trophic levels in an ecosystem, illustrating how energy decreases as it moves up the pyramid.

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How much energy is typically transferred from one trophic level to the next?

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Typically, only about 10% of the energy from one trophic level is transferred to the next level.

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What do the arrows in a food chain represent?

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The arrows in a food chain indicate the direction of energy flow from one organism to another.

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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, defined by how an organism obtains its energy.