BIOLOGY 1M03 Chapter Notes - Chapter 12: Stone Tool, Awash River, Homo Ergaster
17 Sep 2013
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Part 3: the history of the human lineage. Chapter 12: oldowan toolmakers and the origin of human life history. First use of stone obviously preceded the first stone tools that were clearly modified by humans. This could have included a transition stage where rocks were first shattered before use. First stone tools that were clearly modified date to ~2. 5-2. 6 mya. Earliest tools found in the awash river basin of ethiopia. Other tools have been found around this time in tanzania, kenya and south africa. Three types of foraging (in increasing difficulty: collection (eg/ ripe fruit, extraction (eg/ termites, coconuts, hunting (eg/ baby monkeys) Humans and chimps expend different degrees of effort on different types of foraging humans greatly depend on hunted foods. Hunting and extractive foraging lead to: food sharing. Bio 1m03: division of labour, usually by sex, food flow among different ages and genders. Hunting requires learning: peak ability for one hunter-gatherer society (ache in.
