Explanation:
in dim light the iris contract ,the the pupils widens to allow more light to enter the eye,in bright light the iris relaxes and size of pupil becomes smaller to reduce amount of light entering the eye. NOTE: the muscle do not expand they either contract and relaxes
Answer:
I think it is the second option, maintaining a stable size and shape
Explanation:
I hope this helps, please give me brainliest
<span>D. can incorporate new scientific discoveries. should be the answer. Hope I helped!</span>
