ANTHROP 2200H Study Guide - Final Guide: Blombos Cave, Gravettian, Spear-Thrower

• School: Ohio State University
• Department: Anthropology
• Course: ANTHROP 2200H
• Professor: Trask Lexine

Document Summary

What are the hypotheses for why bipedalism evolved: physical requirements, advantages b. i. Issue: evidence bipedalism before stone tools d. i. b. i. d. i. c. Hunting / carrying objects made hunting more efficient d. i. d. Earlier tools made of wood no fossils d. ii. Seed nut and gathering jolly d. ii. a. occurred while standing upright d. ii. b. Problems with teeth and baboon analogy d. ii. c. i. d. ii. d. d. ii. d. i. d. ii. d. ii. Feeding from lower branches of trees and bushes. Problem: could have just climbed, other primates d. iii. Reproductive success / male provisioning lovejoy d. v. a. males provisioned females formed monogamous pairs carried back food to females d. v. b. problem: cannot explain female bipedalism, no evidence, monogamy very rare in primates, sexual dimorphism d. vi. Problem: cannot explain male bipedalism, most primates carry infants other ways. Temperature regulation / radiator theory wheeler d. vii. a. d. vii. b. Bipedalism, large brains and small canines = feedback loop. Problems: bipedalism 4. 4 mya, tools 2. 4 mya, larger brains: be able to list and explain favorable preservation conditions, dry a. i.