ANT 101 Lecture Notes - Lecture 15: Atapuerca Mountains, Archaic Humans, Homo Heidelbergensis
13 Nov 2016
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Evidence of a lethal attack 430,000 years ago. We have not changed much in the last half million years. dr hohemi sala. Ancestral: a trait is ancestral" when it is found in an organism, and in a recent ancestor of an organism---something old. Derived: a trait derived" when it is found in an organism, but not in a recent ancestor--- something new. By 200,000 ya had developed the levalloisian technique. Crania reflect large brains, with mean cranial capacity calculated more than 85% of the modern human mean of about 1,450 cc. Hominines in europe, africa, and east asia appear transitional between h. erectus and: sapiens. After 127,000, many finds of archaic h. sapiens: neandertals. Attachment at neck for heavy muscles (support heavy face) Neandertals only slightly better adapted to cold, used culture to survive. Animals in colder regions are larger and have shorter extremities. Cold: low ratio of surface area/volume, conserve heat. Hot: high ratio of surface area/volume, shed heat.
