Transpiration Flashcards
(5 cards)
1
Q
What is transpiration caused by?
A
Transpiration is caused by the evaporation and diffusion of water from a plants surface.
2
Q
Where does most transpiration happen?
A
At the leaves
3
Q
What is transpiration?
A
Loss of water from plants
4
Q
Why is there a constant transpiration stream?
A
Evaporation causes a slight shortage of water in the leaf, so more water is drawn up for the rest of the plant through the xylem vessels to replace it. This means more water is drawn up from the roots, so there’s a constant stream.
5
Q
What is a transpiration stream?
A
The movement of water from the roots, through the xylem and out the leaves.