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    Question

    Which term describes uncoiling of buds in

    ferns?
    A Circadian rhythm Correct Answer Incorrect Answer
    B Aestivation Correct Answer Incorrect Answer
    C Circinate vernation Correct Answer Incorrect Answer
    D Spiral phyllotaxis Correct Answer Incorrect Answer

    Solution

    Circinate vernation is the manner in which a fern frond emerges. As the fern frond is formed, it is tightly curled so that the tender growing tip of the frond (and each subdivision of the frond) is protected within a coil.

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