decomposer-

decomposers are organisms that break down dead or decaying organisms,and in doing so carry out the natural process of decomposition.

, decomposers are heterotrophic, meaning that they use organic substrates to get their energy, carbon and nutrients for growth and development. Decomposers use deceased organisms and non-living organic compounds as their food source.

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an example of a decomposer is any type of fungus and some bacterias