Review Questions
When stomata open, what occurs?
- Water vapor is lost to the external environment, increasing the rate of transpiration.
- Water vapor is lost to the external environment, decreasing the rate of transpiration.
- Water vapor enters the spaces in the mesophyll, increasing the rate of transpiration.
- Water vapor enters the spaces in the mesophyll, decreasing the rate of transpiration.
Hint:
A
Which cells are responsible for the movement of photosynthates through a plant?
- tracheids, vessel elements
- tracheids, companion cells
- vessel elements, companion cells
- sieve-tube elements, companion cells
Hint:
D