'Living beings respond to stimuli'. Cite any two examples each of animals and plants to illustrate the same.
All living organisms respond to stimuli by moving towards or away from it. Examples -
i. The increased secretion of saliva on seeing our favourite food is the response to the flavour of the food.
ii. A bright flash of light makes us wink or close our eyes where light is the stimulus.
iii. The leaves of the Touch-me-not' plant droop on touching them.
iv. The tip of the shoot moves towards light.
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