Question

What do you mean by nastic and curvature movement 0 science?

Answer 1

Nastic movements are non-directional responses to stimuli, and are usually associated with plants
The movements which allow organs of plants to move in or the other direction is called movements of curvature.

Answer 2

NASTIC MOVEMENTS
:- the movements of the plants part in response to the external stimuli in which the direction of response is not determined by the direction of stimulus is called nastic movement.

TYPES OF NASTIC MOVEMENTS

:- the types of nastic movements are

1. THIGMONASTY

2. PHOTO NASTY

CURVATURE MOVEMENTS
the movements which are non directional to stimulus are known as curvature movements.