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The structure and arrangement of leafs Leaf from a tree: below is a short description of an ordinary leaf. This is the most common set up for a leaf. Each cell has their important task for survival. The characteristic of an ordinary terrestrial leaf is: The leaf is wide and thin to expose as much photosynthetic cells as possible. The leaf has a waxy cuticle to protect the leaf from losing to much water. Below the cuticle is the epidermis that protects the plant from pathogens. The cuticle is secreted by epidermis. Under the epidermis palisade mesophyll can be found. They contain photosynthetic cells called chloroplast. Chloroplast are solar- powered-food-making cells for the rest of the plant. These absorb sunlight to join carbon dioxide and water molecules. The final product is glucose molecules. The by-product of this process is oxygen. Below the palisade mesophyll there are several types of cells: Xylem vessels...

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