Transpiration Steps Flashcards
1
Q
- Water evaporates through stomata:
Water evaporates from _ and diffuses out of stomata
A
Inner layer of leaf
2
Q
- Water evaporates through stomata:
Water leaving stomata causes _ so water drawn from xylem
A
Lower water potential in leaf
3
Q
- Water moves up xylem vessels:
Water leaving top of xylem creates tension (pull from above) and a _
A
Water potential gradient
4
Q
- Water moves up xylem vessels:
Tension (pull up) draws column of _ up xylem
A
Cohesive water molecule
5
Q
- Water absorbed by roots:
Water and minerals absorbed from soil into _
A
Root hair cells
6
Q
- Water absorbed by roots:
Base of xylem has lower water potential than root cells, this water potential gradient causss _
A
Water to be drawn into cortex of roots
7
Q
- Water absorbed by roots:
Water drawn from cortex of roots and then into the _
A
Xylem
