transpiration and translocation Flashcards
1
Q
whats transpiration
A
the loss of water from a plant
2
Q
how is transpiration caused
A
evaporation and diffusion
3
Q
what effects the rate of transpiration
A
light intensity
temperature
air flow
humidity
4
Q
what do you use to estimate transpiration rate
A
potometer
5
Q
how are stomata light sensitive
A
they open to light to maximise photosynthesis but close at night to prevent water loss