Across
- 2. people who focus on getting really good at one thing ________
- 6. Something used and left behind by ancient people
- 7. the time before writing existed
- 9. _______ hunters chase down prey until it's too tired and gets caught.
- 12. Humans learned to _____ or tame animals so they'd help us
- 13. When animals or people travel to a new place, they're ___________
Down
- 1. Small communities that formed after farming began
- 3. the first form writing, used clay tablets.
- 4. Humans first built cities in the Fertile _________
- 5. A hardened piece of a once living thing
- 8. People who risk their lives taking goods from place to place.
- 10. a period of extreme cold in Earth's history
- 11. our closest cousins
