1. Monday, September 15th Check page 83 # 1-4 How did North and South American become populated PPT Defend you theory tonight for h.w.

2. Page 83 #1-5 Define: - 7 points each for use in a sentence – Archeology – study of the human past – Artifact – items that help study the human past – Culture – a way of life for a group of people Review Facts: - 10 points for attempt and 5 “land bridge” 5 for “herds”- They crossed the land bridge following the herds of giant bison. Culture: - 10 points for attempt, 10 for correct answer - Scientists study artifacts to learn about the human past. Sequencing:- 15 points for attempt and 5 for correct answer - B, C, A, D Explaining : - 10 points for attempt and 10 for “dependable source of food” - farming provided a dependable sources of food – population increased and communities were born.

3. HOW DID NORTH and SOUTH AMERICA BECOME POPULATED?

4. THEORY 1: Beringia: The Land Bridge

5. Beringia Proof: DNA studies suggest that all humans today descend from a group of African ancestors who—about 60,000 years ago— began a remarkable journey. Human remains found in North America 13,000 years ago are closely related to tribes from Asia; more specifically - Siberia

6. Theory #2: Pacific Ocean Migration

7. Pacific Ocean Migration Thor Heyerdahl – Despite losing all of his academic credentials, Thor Heyerdahl believed that South America became populated by humans migrating in rafts across the Pacific Ocean. Kon Tiki Raft – sailed in 1947 from South America to Polynesia in the Pacific and then back again to South America. DNA suggest possible migration.

8. THEORY #3: Atlantic Ocean Migration

9. Atlantic Ocean Migration No historical proof Very little DNA evidence Thor Heyerdahl sailed the RA and RA II – Reed boats using Ancient Egyptian techniques in 1970. Travelled from Morocco to South America. Why: Thor Heyerdahl had several questions? 1. Why are there pyramids in South America/ Mexico? 2. How do they know how to work gold? 3. How come Native Americans look more like Egyptians than Siberian Eskimos?