Question

define transpiration stream​

Answer 1

Explanation:

the flow of water through a plant, from the roots to the leaves, via the xylem vessels.

Answer 2

Answer:

Water moves through the xylem vessels in a continuous transpiration stream:

root → stem → leaf

Explanation:

Transpiration is the evaporation of water at the surfaces of the spongy mesophyll cells in leaves, followed by loss of water vapour through the stomata . Water molecules are cohesive so water is pulled up through the plant. The transpiration stream has several functions.