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    Biology GCSE

    Pathogen

    What Pathogen means in Biology GCSE, as defined for Pearson Edexcel.

    Definition of Pathogen

    A microorganism that causes infectious disease.
    Pearson Edexcel · Topic 3 – Genetics (study guide)

    Topics that use Pathogen

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    Using Pathogen in the exam

    Definition questions usually carry one or two marks, and examiners look for the precise wording. Write the definition from memory, check it against the version above, and then use the term in a longer answer on the same topic so it sticks.

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    All Biology GCSE terms