BIOLOGY 1M03 Lecture Notes - Lecture 18: Homo Ergaster, Homo Erectus, Stone Tool
26 Mar 2017
School
Department
Course
Professor
Document Summary
Timing of recent hominin fossils: actual divergence times probably pre-dates the oldest fossil, time of extinction probably post-dates the newest fossils. Climate: piestocene epoch started 1. 8 mya and involved a cooling trend that started in the. Interglacial period vs glacial period (experience expansion of dessert region: different distribution of land and sea, difference in ecosystem and also connectivity in sea, lowere piestocene, middle piestocene, upper piestocene, holocene (we are in holocene now) It"s the interglacial period after the glacial period. Stone tool use through time: mode 1- africa, europe and asia, mode 2- africa, not to east asia, mode 3- highland of kenya and ethopia not to east asia. Homo ergaster has a much larger brain than previous hominins. Humans have small faces: was because of the evolution of chin. Improved an oldowan tools and added the stone biface, a mode 2 technology innovation that as part of the.
