Structure of a leaf

Descripción

GCSE AQA description of the structure of a leaf
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Resumen del Recurso

Structure of a leaf
  1. Waxy Cuticle
    1. Stops water entering the leaf
    2. Upper Epidermis
      1. Palisade Layer
        1. Spongy Mesophyll Layer
          1. Carbon Dioxide Air Space
            1. Allows Photosynthesis to take place
              1. Carbon Dioxide + Water --------> Glucose + Oxygen
            2. Xylem
              1. transports water around the plant
                1. made from dead cells
              2. Phloem
                1. Transports 'food' around the plant
                  1. made from living cells
                2. Lower Epidermis
                  1. Stomata/stoma
                    1. Swell when the plant has enough water to reduce water loss
                    2. Guard Cells
                      1. Allows Carbon Dioxide in
                        1. Stops/allows water in and out

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