Is a turning or growth movement by a plant, fungus, or animal in response to gravity.

Is A tropism, especially of a plant, in response to a particular substance.

Is A tropism, especially of a plant, in response to a particular substance.

IS BENDING OF A PLANT FOR A DIRECTIONAL SOURCE OF HEAT.

Is The growth or turning of plant roots toward or away from moisture.

MEANING OF A PLANT OR OTHER ORGANISM IN RESPONSE TO A TOUCH.