Rooster gave the best answer to this question. does the egg come out of the chicken? Or does the chicken hatch? rooster: it doesn't matter to me, I'll fck and pass
All living things started from a single cell, so the cells evolved to become chickens, and the chickens chose to breed eggs for the breeding of species.
This is in line with the creation of an adult as a mammal and its reproduction as an adult again.