ANTH 1001 Lecture Notes - Lecture 20: Homo Ergaster, Homo Naledi, Swiss Army Knife
Document Summary
Homo erectus sensu lato ( in the broad sense: any of the possible species of homo erectus, what homo erectus has that we haven"t seen. Pleistocene (1. 8 -10) climate oscillation: colder and more variable climate starting at 1. 8 mya, interval marked by repeated glacial cycles (ice ages). Cranial anatomy of homo erectus: elongated football shape cranium. Homo ergaster (africa) 1. 9 mya: estimated 8 years of age based on dental, 5"3 and 6 foot as an adult. Significant increase in overall body size compared to. Tools from ergaster and erectus: acheulean tool industry 1. 6 mya-200,000 years ago. Retouching, soft hammer percussion: oldowan and acheulean technologies. H erectus is associated with both stone industries. Movius line- seperates h erectus populations that developd acheulean tools and those that didn"t: handaxe proportions follow a mental template. Tools hve very regular proportions, standardized form. Proportions hold fo africa near east europe. Requires more complex cognitive abilities to keep making these shapes.
