1.   As they adapted to life on the ground, primitive humans gradually became serially monogamous, forming pair-bonds but indulging in auxiliary mating opportunities.

2.   Before you sits a land populated by primitive humans who must be persuaded to worship you, using whatever divine means necessary.

3.   Ciochon said the new find puts primitive humans in China early enough for several distinct species to have subsequently evolved in Asia before eventually dying out.

4.   Gazoo has been sent to Earth to observe the mating habits of primitive humans.

5.   Scientists say another line of primitive humans evolved in east Asia, called Homo erectus.

6.   Some experts have theorized that, due to the relatively young age placed on the Peking Man, primitive humans coexisted alongside direct ancestors of modern man.