So we can all agree that the egg definitely came first then? I mean logically that makes sense as this is an egg which contains something other than a chicken..

So we can all agree that the egg definitely came first then? I mean logically that makes sense as this is an egg which contains something other than a chicken...therefore eggs came before chickens. This is a pretty bird-like dinosaur (since dinos ARE birds in a sense) so eventually a dino descendant laid a chicken.