HIS-1101 Lecture 2: Early Prehistory
Document Summary
African primate connection- only popularized it: earliest fossil (naturally occurring) in africa (3. 8m bp, earliest artifacts (created stuffs) in africa (3. 5m bp, dna/rna- chimps 99. 2% and apes 98. 8% Pliocene age (5. 3m- 2. 6m bp) -> climate changes: world cools (now winter lows 65 f) Ice caps form- antarctica ice covered by 3. 5 m bp: sea levels drop 200 ft- more coastlands exposed, less rain- forests shrink by 50% and grasslands grow by 500% Guerons- 10-14 lbs, can eat food that is poisonous (with arsenic and strychnine) Gibbons- 10-12 lbs, move very slow and quiet.
