EDIT : It seems as no one understood what i was talking about and maybe its my fault for not elaborating . I always thought chicken was a metaphor for this paradox and not really meaning chicken as a specific spiece . So my question is how did the ancestor of chicken came to be if it was born (egg) wouldn’t it need a parent or if it was a parent (chicken ) woudn’t it need to be born ? Or did all the creatures start out as bacteria and climbed out from ocean through evalution if so why isn’t any new species being born this way or am i missing something ?
Evolutionarily, mutations occur in progeny. The first creature with all the criteria of a “chicken” is one mutation away from the proto-chicken. A proto-chicken laid the first egg that would eventually hatch a chicken.
Whether the chicken egg came first depends on whether the egg belongs to the unhatched chick, or if it belongs to the hen. If it is the egg of the about-to-hatch chick and the chick is a chicken, the egg came first. If it is the egg of the hen and the hen is a proto-chicken, it is a proto-chicken egg, and the chicken came first.