Across
- 2. The layer of gases surrounding the earth
- 5. This biome has high rainfall and very hot temperatures
- 6. A very large ecosystem made up of specific vegetation types and specific fauna
- 8. This biome has long severe winters and short cool summers
- 11. This biome has a wet winter and a dry summer
- 13. security Having reliable access to enough nutritious and affordable food
- 15. The solid part of the earth's crust
- 17. Parallel lines running East-West around the earth
Down
- 1. This biome is very dry and has a large daily range in temperature
- 3. Conservation strategy using steep slopes
- 4. S_____________ agriculture: environmentally-friendly farming methods
- 7. A community of species and its non-living environment
- 9. C_____________ planting: conservation strategy taking advantage of contour lines
- 10. All of earth's water bodies
- 12. Lines running North-South that meet at the poles
- 14. The sum of all the earth's living systems
- 16. S________ cropping: conservation strategy involving planting alternating strips of crops in various stages of growth