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    Combined Science GCSE

    Pathogens and disease

    What Pathogens and disease means in Combined Science GCSE, as defined for AQA.

    Definition of Pathogens and disease

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    Reference: AQA

    Rose black spot is a fungal disease, so the pathogen is a fungus rather than a bacterium or virus.
    AQA · Fungal diseases (study guide)

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