Question

differentiate between tropic and nastic movements

Answer 1

Answer:

Nastic movements are non directional responses to stimuli such as temperature and heat. ... → Tropic movement is the response to stimuli that comes from one direction. → It is a directional movement. → If the movement of the plant part is towards the stimulus, then it is known as positive tropism 

Answer 2

Tropic movement- dependent on growth

- directional response to stimulus

-Ex- growth of pollen tube towards ovary

Mastic movement- independent of growth

- non directional

- ex - leaves of mimosa( touch me not) droop on touch

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