This process must have been repeated many times, until that prodigious amount of difference between the fertile and sterile females of the same species has been produced which we see in many social insects.
Prozesua behin eta berriz burutu beharra dago askotan, harik eta taldeko intsektu askotan espezie bereko eme ugalkor eta antzuen artean ikusten dugun alde izugarria sortu arte.