Asked by -Anne

please check my answer again thanks



Pupillary constiction in the presence of bright light is an example of what reponse ?

A active tropic
B passive tropic
C unconditioned
D conditioned


I now say it's C

Answers

Answered by Writeacher
Yes.

"In humans and many animals (but few fish), the size of the pupil is controlled by <b>involuntary constriction</b> and dilation of the iris in order to regulate the intensity of light entering the eye."
http://en.wikipedia.org/wiki/Pupil
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