ANTHROP 1AA3 Study Guide - Final Guide: Foramen Magnum, Pelvis, Hominidae
3 Feb 2018
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Document Summary
When and where did the first humans appear: hominid/hominins, humans and their direct ancestors, multidisciplinary, experts from various scientific disciplines, physical sciences; biological sciences; and social sciences. Lumpers versus splitters: results: is that there is some disagreement regarding the numbers of different species in, for instance, the genus australopithecus, better market value for splitting. The australopithecus (4-1 mya: genus- australopithecus, many different species recognized, found exclusively in east and south africa [so far, significant role in human evolution. Sites with australopithecus fossils: eastern and southern africa. Gracile and robust australopithecines: gracile, a. afarensis, a. africanus, robust, a. boisei, a. robustus, a. aethiopicus. Gracile versus robust australopithecus: robust- named as such mostly because of chewing apparatus; also more pronounced sagittal crest and zygomatic arches. Robust forms have: prominent zygomatic arch (cheekbones, sagittal crest: ridge of bone across the cranium/skull. Laetoli footprints each step: found in tanzania (1978) by mary leakey.
