Question

Which came first in the world egg or the bird

Answer 1

The egg came first, since in the question it is not said that what egg and we all know very clearly that dinosaurs laid eggs much time ago than there existed birds.
Birds were formed merely by evolution of flying reptiles.
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Please mark as the best.

Answer 2

They changed slowly from a reptile over million of years. So you must go in the past using time machine and see it coz even no one knows that.......... :)