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    Biology GCSE

    Phototropism

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

    Definition of Phototropism

    A plant's growth response to light, controlled by the unequal distribution of auxin.
    Pearson Edexcel · Topic 6 – Plant structures and their functions (study guide)

    Topics that use Phototropism

    Related terms

    Using Phototropism 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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