Investigating Transpiration

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Uploaded by on Jan 24, 2008

AS Biology Practical on how transpiration is effected by wind

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  • song name ?XD

  • Is the evaporation from the leaves, caused by your fan altering the density of the sap in the leaf. This causes the denser sap to flow down? A downward flow cannot take place without a return flow in the plant and tree. So does this down flow cause a return flow to draw up the water from the glasses the same as a tree draws water from the soil generated by tension from the falling sap in the phloem? Andrew K Fletcher is onto something big!

  • i did this lab in my AP Biology class. It was a very cool lab experiment. =)

  • cool

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