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putting together of light; process whereby a green plant is able to capture radiant energy of sunlight and convert it into the chemical energy of food.
process of photosynthesis
water enter chloroplast in leaf and is exposed to sunlight; suns energy split to the hydrogens off the water and releases oxygen as byproduct; water is converted into 2 other compounds in via stomata and air apaces of spongy layer; result is glucose/sugar
Why make glucose?
provide energy for plant cells to live and work; extra glucose is linked together into starch and stored in the plant which we eat
Why leaves fall?
shortened days in fall; lower temperature; abcission layer; enzymes release at base of petiole; cellulose weakened
Water and Wilting
influenced by temperature; water available in soil; windspeed across leaves (hairs present); air humidity
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