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Explain why xylem moves water in only one direction

User Himanshu Singh
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Answer:

It can and does pass fluids in either direction. Functionally, flow in xylem is only in one direction primarily because roots are at one end of the tree and evaporation/transpiration is at the other. Water also gets unloaded throughout the tree by osmosis.

Step-by-step explanation:

User Stephen Boston
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