differentiate between tropic and nastic movements
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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
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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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