By:Dillon.Gathright 2/6/14 7th period science Mrs.Mackey.
The growth movement a living organism has toward an external stimulus.
The turning or growth movement of a living organism in response to gravity.
The growth or movement in a sessile organism toward or away from water, as of the roots of a plant.
The growth or movement of plants in response to light.
A movement in which a plant moves or grows in response to touch of contact stimuli.