Question

What came first, the chicken or the egg?
Give an appropriate reason for the same.

Answer 1

The chicken came first. It's ancestors were dinosaurs.

But to make it simple I would say that the thing you order first in a restaurant,will come first:D

Answer 2

It was hen that came first. Scientists have discovered that the shell of hen's egg is made up of a protein which can only be made in the reproductive system of hen. No other birds can lay that egg. They suggest that the first hen might have evolved from any other creature or by cross-breeding of other birds.
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Hope my answer helped.... :)