Meaning & use

decomposer

noun·Academic

An organism, such as a fungus or bacterium, that breaks down dead plant or animal matter.

See it in a sentence

Decomposers in the soil recycle nutrients from fallen leaves back into the ecosystem.

Without decomposers, dead organisms would pile up instead of returning nutrients to the earth.

A note on using this word

A core term in ecology, usually contrasted with producers and consumers in a food chain.

Words with a similar meaning

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