World History Chapter 1-2 Review

study of past societies through analysis of what people left behind

study of human life and culture

1. radiocarbon dating 2. Microscopic and biological analyses

1. main job: finding enough to eat 2. were hunters and gatherers, they had to follow animal migrations and vegetation cycles 3. were nomads—people who move from place to place to survive. Archaeologists and anthropologists think these nomads probably lived in small groups of 20 or 30

humanlike creature that walked upright

"wise, wise human"; appeared in Africa between 200,000 and 150,000 years ago

spread out of Africa to other parts of the world about 100,000 years ago, replacing populations of earlier hominids in Europe and Asia