Across
- 2. any handheld object that helps a person accomplish a task
- 4. changing plants/animals to be useful to humans
- 5. What historians call the time before there was writing
- 7. an early ancestor of modern-day humans
- 9. also known as "Handy Man"
- 11. a time when the world experienced freezing weather
- 12. another word for farming
Down
- 1. also known as "Upright Man"
- 3. a relative who lived in the past
- 6. also known as "Wise Man"
- 8. a strip of land connecting two continents
- 10. to move to new places