In tropical climates,many tall plants shut stomata during the hot days and open at night.If their stomata are closed during day,why doesn't the water within the plant fall down the stem?
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Explanation:
Stomata are mouth-like cellular complexes at the epidermis that regulate gas transfer between plants and atmosphere. In leaves, they typically open during the day to favor CO2 diffusion when light is available for photosynthesis, and close at night to limit transpiration and save water.
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Answer:due to TACT theory
Explanation:TACT means transpirational pull, adhesion ,cohesion and tension due to which water does not fall down.
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