ANTH 202 Chapter : Anthro1
15 Mar 2019
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In anthropology we have lumpers and splitters: lumpers: recognize similarities instead of differences. Lump things into few categories: splitters: recognize many differences, many genuses and species. Believe differences are enough to warrant a new species. Human like: sagittal crest- a sharp ridge of bone at the sagittal suture, nuchal crest- a sharp ridge of bone in the back of the skull. Fossils found through erosion or excavation: south africa: lots of limestone. Fossils could have been formed when organisms were swept into fissures caused by groundwater: breccia- hard, cement like matrix composed of lots of different things, it is difficult to extract fossils (only in. South africa: dating is typically biostratigraphy (relative dating, central africa: similar to east africa. It"s location was unexpected: orrorin tugenensis, 6. 2-5. 6 million years ago (don"t need to know dates, multiple individuals represented, teeth are more ape like in morphology, evidence of bipedality in the femoral neck length.
