BIS 2B Lecture Notes - Lecture 26: Homo Erectus, Neanderthal, Anthropocene

• School: UC-Davis
• Department: Biological Sciences
• Course: BIS 2B
• Professor: Mark Schwartz; Sharon Strauss

Document Summary

A new niche started 20 million years ago. Homo sapiens - natural selection favored a large brain. Early humans were social and cooperated while hunting, need large brain. Walking on two legs aided hunting in grasslands. Millions of cells of microbes that live on and in us. Homo erectus out of africa >1 mya, h. neanderthalensis ~. 25 mya, h. sapiens