Plant transport Flashcards
1
Q
What are xylem vessels?
A
- towards the middle
- carries water upwards (transpiration stream)
- xylem vessels are dead cells in long continuous columns
2
Q
What are phloem vessels?
A
- on the outside
- carries sugary sap up and down from leaves (translocation)
- made of living cells
3
Q
What is transpiration?
A
Transpiration is the evaporation of water (from the leaves)
4
Q
What is the transpiration stream?
A
Transpiration stream is the movement of water upwards through the xylem vessels
5
Q
What is translocation?
A
Translocation is the movement of the sugary sap up or down the stem in the phloem
