ANTB14H3 : chap 12
Document Summary
Homo: homo ergaster: 1. 8 mya in africa. Invented new technology, master fire and to hunt large game. Hominins of the lower pleistocene: homo ergaster work man knm-er. Pleistocene epoch began 1. 8mya and saw a cooling of the world"s climate: divided into three parts: lower, middle and upper. The postcranial skeleton is much more similar to the skeleton of modern humans than to that of earlier hominins, but it still differs from ours in interesting ways: most complete information about the postcranial morphology discovered by kimoya. Vertebral canal in the thoracic region of the back is much larger in modern humans than it is in apes, contains proportionally thivker spinal cord. Boy like long legs, narrow hips, and a barrel shaped chest are evidence that the capacity for long distance running first appeared in this species. They believe that this talent may have been useful in long distance scavenging and hunting in open country.
