phototropism

As nouns the difference between phototropism and null

is that phototropism is (biology) the movement of a plant towards or away from light while null is zero, nil; the cardinal number before einn.

As nouns the difference between phototropism and gravity

is that phototropism is (biology) the movement of a plant towards or away from light while gravity is resultant force on earth's surface, of the attraction by the earth's masses, and the centrifugal pseudo-force caused by the earth's rotation.

As nouns the difference between phototropism and heliotropism

is that phototropism is the movement of a plant towards or away from light while heliotropism is the property of some plants of turning under the influence of light; either positively (towards the light) or negatively (away from the light.

Giotropism is likely misspelled.

Giotropism has no English definition.

As a noun phototropism

is the movement of a plant towards or away from light.

As nouns the difference between thermotropism and phototropism

is that thermotropism is (botany) thermotropic movement of a plant or plant part in response to changes in temperature while phototropism is (biology) the movement of a plant towards or away from light.

As a noun phototropism

is the movement of a plant towards or away from light.

As an adjective photonastic is

in response to light (and not just in the direction of the light source.

As nouns the difference between taxonomy and phototropism

is that taxonomy is the science or the technique used to make a classification while phototropism is (biology) the movement of a plant towards or away from light.

As a noun phototropism is

(biology) the movement of a plant towards or away from light.