cuticle - waxy material that covers a leaf, epidermis - It protects the leaf and reduces water loss, palisades mesophyll - photosynthesis occurs here, cells are closely packed together, spongy mesophyll - photosynthesis happens here, cells are loosely packed together, stomata - pores that allow gas and water to enter and exit the leaf, guard cells - open the stomata to allow gas exchange and close stomate to prevent too much water loss, xylem - carries water and minerals from roots to the leaves, phloem - carries nutrients made in the leaves to other parts of the plant, veins - bundle of sheath cells that create a circle around the xylem and phloem,

Structure of a Leaf

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