Leaf Structure

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  • Plant Structure
    • Palisade Mesophyll
      • The upper layer of the mesophyll tissue in plant leaves made up of closely packed cells containing chloroplasts
        • Chloroplasts are needed for photosynthesis to absorb sunlight.
    • Spongy Mesophyll
      • The lower layer of the mesophyll tissue in plant leaves that contains some chloroplasts and many large air spaces to give a big surface area for the exchange of gases
    • Xylem
      • The non living transport tissue in plants that transports water from the leaves to the shoots.
    • Phloem
      • The living transport tissue in plants that carries dissolved sugars around the plant
    • Stomata
      • Openings in the leaves of plants, particularly on the underside and opened and closed by guard cells allowing gases to enter and leave the leaf.
      • Guard Cells
        • Surround the stomata in the leaves of plants and control their opening and closing
    • Waxy Cuticle
      • It has a waxy layer to prevent the leaf from over heating and too much water going in

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