Biology for IGCSE & O level - Organisms And Their Environment (Section 5 - No. 8)

What is the role of decomposers in an ecosystem?
To produce energy through photosynthesis.
To consume other organisms.
To break down dead organic matter and recycle nutrients.
To transfer energy from producers to consumers.

Explanation

Decomposers break down dead organisms and organic wastes, returning essential nutrients to the environment.

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