Tropism response & nastic responses

Responses of certain parts of a plant such as roots & shoot that responds towards or away from a stimulus.

Thigmotropism, geotropism, hydrotropism, phototropism & chemotropism.

Growth towards the direction of stimulus

Non-directional responses to a stimulus

Photonasty, seismonasty, nyctinasty, thermonasty & thigmonasty.

A response that occurs due to a mechanical stimulus such as shock, touch, wind & raindrops.

The response towards changes in the surrounding temperature.