BIOLOGY 1M03 Chapter Notes - Chapter 11: Homo Ergaster, Homo Erectus, Bee Hives

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15 May 2017
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Gorillas use tools: used sticks to test depth of water, detached sticks also used for support is swampy areas. Nwm used tools: capuchin monkeys are known to use modified sticks to retrieve food and also use rocks to process food. Birds: rocks used to crack ostrich eggs by egyptian vultures; various species drop nuts and mollusks on streets to be cracked by cars. Oldowan/mode 1: use a hammer to break flakes off of a core. Achulean/ mode 2: additional processing, works both sides of the flake. Levallois/ mode 3: modifying the core, prepare one side of the core to have really sharp slides final cut cuts it in half to have very sharp large piece: more complex than mode 2 and 1. Tools: 1. 6-1. 4 mya used (cid:373)ode 2 (cid:862)as(cid:272)heula(cid:374) i(cid:374)dustry(cid:863, mode 1 overlapped too for 1 million years and was used for butcher animals, dig of tubers or water, strip bark from trees, as projectiles, or to generate flake tools.

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