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    Biology A-Level

    sunken stomata and rolled leaves

    What sunken stomata and rolled leaves means in Biology A-Level, as defined for AQA.

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    Adaptations that trap water vapour, lowering the water potential gradient between the leaf air spaces and the atmosphere, limiting water loss but at the cost of reduced carbon dioxide uptake for photosynthesis.
    AQA · Gas exchange (study guide)

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