Studied by 1 personPhototropism
a change in direction of a growing plant in response to light.
Thigmotropism
a directional change in growth pattern in response to touch.
Tropism
a directional change in growth /movement in response to a stimulus.
Gravitropism
a directional change in growth pattern in response to gravity.
Plant growth regulator
a chemical produced by plant cells that regulates growth and differentiation
Tropism
a directional change in growth/ movement in response to a stimulus
Phototropism
a change in direction of a growing plant in response to light
Gravitropism
a directional change in growth pattern in response to gravity
Thigmotropism
a directional change in growth pattern in response to touch
Note 
Flashcard (201)