paragraph on leaves-type,venetion,arrangement
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Leaves-tyle
A leaf is an above-ground plant organ and it is green. Its main functions are photosynthesis and gas exchange. A leaf is often flat, so it absorbs the most light, and thin, so that the sunlight can get to the chloroplasts in the cells. Most leaves have stomata, which open and close.
Venetion
Venation is the pattern of veins in the blade of a leaf. The veins consist of vascular tissues which are important for the transport of food and water. In reticulated venation, the veins are arranged in a net-like pattern, in that they are all interconnected like the strands of a net.
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· arrangement
Alternative, opposite,whorled
Alternative, opposite,whorled
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