Stimuli are the event that elicits the response in the organisms. Plants are likely to respond very slowly to stimuli compared to animals. Thus, option 1 is correct.
Stimuli are the factor that triggers the reaction and behavioral or physical changes in an organism. The stimulus can be external in the form of a drug or internal in the form of vital signs like breathing, blood pressure, etc.
The animals are fast to react to stimuli than the plants as the former have a nervous system and the muscular systems that are very fast to send a reaction against stimuli.
On the other hand, the plants lack these types of system that provides quick reaction instead have tropisms that have a slow rate of showing response towards any change.
Therefore, the plants react slowly to the stimulus.
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