Question

Write your question here (Keep it simple and clear to get the best answer) define tropic and.Nastic responses

Answer 1

Tropic responses: the responses shown by plant due to growth under the influence of light,gravity,water and chemicals.

types of tropic responses

phototropism   due to light

geotropism  due to gravity

hydrotropism  due to water

cheotropism due to chemicals (hormones)

nastic responses : few plants shows movement without growth.

for eg folding of leaves in touch me not plant due to touch (thigmo)