Across
- 1. number of people in one area
- 4. bridge animals and people took to N.A
- 6. the time period before written records were kept
- 7. time before time began
- 8. movement from one place to another
- 9. farming
- 11. structured communities of people
Down
- 2. Indigenous americans
- 3. crossed the bridge to here
- 5. origin of all species
- 10. landmass that revealed last ice age
- 12. crossed the bridge from here