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The function of iris in the eyes of the frog is to

The function of iris in the eyes of the frog is to

Options

(a) move the nictitating membrane
(b) alter the size of the pupil
(c) move the lens forward and backward
(d) refraction of light rays

Correct Answer:

alter the size of the pupil

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

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