Answers

2016-02-12T12:17:48+05:30
Nastic movements are non-directional responses to stimuli (e.g. temperature, humidity, light irradiance), and are usually associated with plants. The movement can be due to changes in turgor or changes in growth (therefore K+ ion concentration usually controls such movementis plants).

(Sorry I don't know the meaning of 'Curvature Movements')
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