The eye of most vertebrates has a flexible lens which changes shape,by the action of the ciliary muscle,depending on the distance between the lens and the object on which the animal is focusing.Which mollusk's eye is most similar to the vertebrate eye?
A)limpets
B)abalones
C)squids
D)snails
E)scallops

Question

Quizplus · Accepted Answer

Squids have a similar mechanism of focusing as vertebrates, with a lens that changes shape by the contraction of the ciliary muscle. In contrast, limpets, abalones, snails, and scallops have a fixed lens or use other mechanisms to focus.

The Eye of Most Vertebrates Has a Flexible Lens Which