Tropisms Flashcards
(3 cards)
1
Q
What is a tropism?
A
A tropism is a growth movement of part of a plant in response to a directional stimulus. This response can be either positive or negative.
2
Q
What is meant by negative gravitropism?
A
Shoots grow upwards, away from gravity which allows shoots to grow out of the dark soil into the light for photosynthesis
3
Q
What is meant by positive phototropism?
A
Shoots grow up, towards light which allows leaves to absorb maximum light for a faster rate of photosynthesis
