ANT-1 Lecture Notes - Lecture 6: Superior Sagittal Sinus, Homo Erectus, Homo Ergaster
Document Summary
Smaller teeth and jaws, dietary changes (maybe cooking) Some of the first hominins to leave africa. Teeth jut below the rest of the tooth row. Jaw starts to shrink when you lose teeth. Pachyostotic skulls, beetling brow, sagittal keel (not a crest but a bump) As our brain got bigger we had to worry about cooling it. Predation: they were not alone (giant hyena) Hyena feces is white and like cement. Also power scavenge with strong stomach acids. Implications that homo erectus were consumed and hid in caves. There is a flourishing of oldowan tools in eastern africa, spreading to southern africa, between 2. 4 and 1. 7 mya. At 1. 7 mya. , the first acheulean tools appear even as. Both technologies are occasionally found in the same areas, dating to the same time periods. This realisation required a rethinking of old cultural sequences in which the more. "advanced" acheulean was supposed to have succeeded the oldowan.
