ANTH 010 Lecture Notes - Lecture 26: Homo Erectus, Homo Habilis, Brain Size
Document Summary
Central forage point theory (see isaac 1970): central places to share food and sleep. Fixed routes of foraging leaving tools along the way (chimps) Loose bands moving carcasses away from danger and leaving tools randomly. Groups probably had contact with others (high concentration of bones at single spots. Paleolithic = old stone age (alternate spelling palaeolithic) Homo erectus upright man : 1. 9/1. 5 mya-150 kya. Material culture: the acheulean" industry (more developed stone tool) Discovered by eugene dubois in 1891 in java, indonesia. Controversial find at the time( brain size vs. bipedalism, very different than neanderthals) First of our ancestors to leave africa. Other sites in china, africa, indonesia, vietnam and europe. Excavated by davidson black in 1921: ca. Show gradual increase in brain size through time 900 to 1100 cc. Acheulean tools signature tool of h. erectus . Acheulean hand axes: multipurpose tool, variety of sizes (7-30 cm) More complex than oldowan: retouched flaked tools (pressure)