Two forms of evidence help to confirm the hypothesis that H. erectus evolved in Africa. First, all ...

Two forms of evidence help to confirm the hypothesis that H. erectus evolved in Africa. First, all of the earlier hominins come from Africa. Second,
 
  a. well-preserved postcranial elements are scarce at some H. erectus sites.
  b. the adult height of the Nariokotome youth would have been about 6 feet.
  c. by 1.7 mya there are well-dated fossils of H. erectus at East Turkana, in Kenya, and not long after at other sites in East Africa.
  d. postcranial bones look very similar to modern humans.
  e. growth pattern of Nariokotome would have been similar to that of modern humans.