Question

in the first drop - down box, select the word part in the following term. then, in the second drop - down box, select the correct definition for that word part. aniridia (click to select) (click to select) (click to select) eye lens iris sclera cornea retina conjunctiva eyelid ear labyrinth vestibule eardrum cochlea mastoid process ear wax

Explanation:

The prefix "an -" often means without, and "irid -" refers to the iris of the eye. Aniridia is a condition where there is absence or under - development of the iris.

Answer:

First drop - down box: irid
Second drop - down box: iris