law of limiting factors Flashcards
(4 cards)
1
Q
What are the main limiting factors?
A
Light, carbon dioxide and temperature
2
Q
Why is water not a limiting factor?
A
Because water stress causes carbon dioxide concentration to be limiting by stomata closing
3
Q
What happens when the rate of photosynthesis levels off on a graph?
A
Rate has reached its limit, something else has become the limiting factor
4
Q
What do commercial glasshouses aim to do?
A
They provide conditions in which photosynthesis can occur at the maximum rate possible
