Question

Difference between phototropism and photonasty movement

Answer 1

Answer:

It is similar to phototropism in that it involves the movement of a plant due to light stimulus, but in photonasty, the movement is not toward the light stimulus, but in a predetermined direction. ... An example of photonasty is the opening and closing of leaves or flowers, due to the presence or absence of light

Answer 2

Answer:

Phototropism is directional movement while photonasty is non-directional movement. ... Phototropism is associated with growth while photonasty is not associatiated with growth. Phototropism is caused by cell divisions while photonasty is caused by changes in turgor