How were pterodactyls able to fly?

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Answer #1#
Ejaz Salman
Chicago, United States

Pterosaurs flew with their forelimbs. As pterosaurs' arm and hand bones evolved for flying, they lengthened, and the bones of one finger—the equivalent of our ring finger —became extraordinarily long. Like the mast on a ship, these bones supported the wing surface, a thin flap of skin that was shaped like a sail.

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