Across
- 4. evidence from when it happened
- 7. uses different shading of maps
- 9. Moving countries permanently
- 11. Highly developed economic
- 13. Organisms of same species in one area
- 14. profound or notable transformation
- 15. Area of which people live
- 16. Country Side
Down
- 1. residential outline of a city
- 2. governent planning
- 3. moving to the country side
- 5. Moving countries seasonally
- 6. The main city in a country
- 8. how many organisms per km²
- 9. basic and physical organized structure
- 10. ability to be maintained at a certain rate or level
- 12. planning to control structure of town
- 15. a synonym of this is built up