Across
- 2. early settled people showing transitions
- 3. control of water for agriculture
- 5. large structures from powerful reigns
- 9. wild maize that's corn's ancestor
- 10. study of past events
- 11. cultivating species for specific purposes
- 12. period based upon prosperous farming
- 13. fertile region of early civilizations
- 14. extra food leading to diversity
- 15. first large city in Sumer
- 16. population controlling society for gains
- 17. first writing system on clay
- 19. nomadic lifestyle relying on animals
- 20. small, settled community of people
- 21. breeding species to advance traits
- 24. organized human center of culture
- 25. people maintaining leadership over civilization
Down
- 1. dense human society of complexity
- 4. fertile Mesopotamian valleys of agriculture
- 6. organized society dependent on agriculture
- 7. studying Earth and human interactions
- 8. severely cold period on Earth
- 18. taming species to control tendencies
- 22. organized, will-imposing, city-based society
- 23. early agrarian civilization in Mesopotamia