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And Define density. How is it related to floating sinuking in water. |
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Answer» Answer: The leaves of CERTAIN plants EXHIBIT droplets of water along their margins in the morning. This PARTICULARLY happens in plants growing in warm humid conditions. A humid environment hampers transpiration while the roots continue to absorb water from the soil. This builds up a big hydrostatic pressure within the plant and “forces out” the excess water directly from the tips of VEINS in the leaf. Special pore-bearing structures called hydathodes are present on the margins of the leaf to ALLOW this exudation. |
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