Many Insects,most Birds,a Few Nonavian Reptiles Such as the Pterodactyl,and

Many insects,most birds,a few nonavian reptiles such as the pterodactyl,and bats all can fly.What is the most correct statement concerning their relationships?

A) Insects evolved flight independently but the pterodactyl is a probable ancestor of both the birds and bats
B) All four groups have wings because of a common winged ancestor
C) All four developed flight independently from non-winged ancestors
D) Insects and birds evolved flight independently but pterodactyls are the winged ancestor of bats
E) None of the choices is correct

Correct Answer:

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