a fertilized hatched is formed by a egg and an hatched room fusing together
egg_hatching is development. cross_fertilization is fertilization. external_fertilization is egg_fertilization. self_fertilization is fertilization. egg_fertilization is not reproductive_fertilization. fertilization is creation. internal_fertilization_event is not egg_fertilization. egg_fertilization is reproductive_fertilization. fertilization is not creation. external_fertilization is not egg_fertilization.