well in my science book it said all plants need phototropism to live. from jm
The three plant tropisms include geotropism, thigmotropism,hydrotropism and photoperiodism.
Jacques Loeb
Tropisms
innate
gravitropism
tropisms
they are actions that a plant takes in order to increase its chance of survival. An example of a behavioral adaptation in plants are tropisms. Tropisms are the growth of plants toward sunlight.
sunflowers sunflowers
It is about sunflowers.
sunflowers sunflowers and me
About a vase of sunflowers.
How do i plant sunflowers