The key distinction lies in the fact that one type of plant movement is dependent on growth, while the other type is independent of growth.
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The sensitive plant of the Mimosa family is referred to as “chhui-mui” or the “touch-me-not” plant.
Animals respond to stimuli through a nervous system and muscles, while plants exhibit responses without a nervous system, as seen in examples like the chhui-mui’s quick leaf movements and the directional growth of a seed’s root and stem.
Plants like the chhui-mui respond to touch by quickly folding up and drooping their leaves.
Animals have a nervous system for controlling and coordinating body activities, while plants lack both a nervous system and muscles.