Multiple Choice
Which of the following was the earliest step in the evolution of the vertebrate eye lens?
A) A patch of tissue folds inward into a cup beneath unpigmented skin.
B) The cup, the eye, becomes spherical and evolves greater acuity.
C) Unpigmented skin above a cup of tissue becomes transparent and can focus an image.
D) Light-sensitive regions bulge outward to the sides of the head.
Correct Answer:
Verified
Correct Answer:
Verified
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