Across
- 2. human made object
- 4. scientific name for our species
- 7. start of farming after ice age
- 8. large block of stone; a monument
- 12. trading what you have for what you want
- 14. water for crops
- 15. ability to improve technology
- 16. equal
- 17. to adapt an animal for human benefit
- 19. society that hunts animals and gathers edible plants
- 20. producing unique goods to trade
Down
- 1. walking upright on two legs
- 3. people who move from place to place with no village
- 5. place where people worship
- 6. Old stone age
- 9. a lifestyle where people raise flocks of animals
- 10. copper and tin
- 11. human, plant, or animal remains turned to rock
- 13. new stone age
- 18. more than is needed