Some reptiles become birds, some mammals become primates, some primates become monkeys with tails, and others become the great apes, including a variety of human species.
Neki gmazovi su postali ptice, neki sisavci su postali primati, neki primati su postali majmuni s repom, ostali su postali čovjekoliki majmuni, uključujući raznolikost ljudskih vrsta.