Which change is an example of a response to a stimulus?
1.
The pupil of an eye decreases in size in bright light.
2.
A leaf absorbs sunlight in the morning.
3.
The water level of a pond rises on a rainy day.
4.
A dead tree decays after many years.
S

The example of the response to stimulus is the contraction of the pupil of eye in response to the bright light. Thus, option A is correct.

The stimuli are the things or events that causes the detectable change in the organism. The reaction of the organism with response to the stimuli is measured in terms of sensitivity.

What is a stimulus response?

The stimulus response is created when the external event or the thing brings changes in the chemical or physical nature. The response to stimuli are instant reactions.

The decrease in the pupil size with the light as the stimulus is the response of eyes.

Thus, the example of the response to stimulus is the contraction of the pupil of eye in response to the bright light. Thus, option A is correct.

Learn more about stimulus response, here:

https://brainly.com/question/13059656

Which change is an example of a response to a stimulus? 1. The pupil of an eye decreases in size in bright light. 2. A leaf absorbs sunlight in the morning. 3. The water level of a pond rises on a rainy day. 4. A dead tree decays after many years. S

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What is a stimulus response?

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Which change is an example of a response to a stimulus?
1.
The pupil of an eye decreases in size in bright light.
2.
A leaf absorbs sunlight in the morning.
3.
The water level of a pond rises on a rainy day.
4.
A dead tree decays after many years.
S