Biology question?

Posted on 2015-10-08 06:28:00 in Biology by MAX

1.abscisic acid plant hormone that causes k+ to leak out of guard cells. what effect does that have on transpiration

2.plant leaves are highly variable. which of these are an example of an adaptation that a plant might to reduce water loss from its leaves.

A. increased surface area of the leaf

B.needle like leaves

C. increased trichomes on the leaf near stomata stomata that are sunken into the leaf surface

D. thick waxy cuticle

E.stomata on the top of the leaf rather than the botton

3.which of these factors contributed to movement of water up the xylem and out of stoma

A.evaporation of water at the leaf surface

B.adhesion of water molecules to xylem cell wall

C.osmosis of water into the root

D.cohesive nature of water molecules

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