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    Biology GCSE

    Decomposition and decay

    What Decomposition and decay means in Biology GCSE, as defined for AQA.

    Definitions of Decomposition and decay

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    Reference: AQA

    Decomposers break down dead organisms and waste products, releasing mineral ions and carbon dioxide back to the environment.
    AQA · How materials are cycled (study guide)
    The breakdown of biological material by microorganisms such as bacteria and fungi, whose enzymes digest the material.
    AQA · Decomposition (biology only) (study guide)

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