Across
- 3. woodland-grassland biome
- 5. variety of life
- 10. large area of flat unforested grassland
- 11. long term warming of the planet
- 13. doldrums
- 15. dry barren landscape
- 17. periodic cooling of ocean surface temperatures
- 18. naturally occurring climate pattern in the Pacific Ocean
- 20. warm, wet, and near the equator
- 21. cold treeless biome
Down
- 1. long-term, cyclical variations in Earth's orbit and axial tilt
- 2. farming method where land is cleared by cutting and burning vegetation
- 4. localized climatic conditions
- 6. climate of a continent
- 7. oceanic climate
- 8. ground that stays below zero degrees celsius
- 9. temporary, dark spots that appear on the Sun's surface
- 12. large ecological community
- 14. thick layer of ice and snow
- 16. snow forest also world's largest land biome
- 19. shrubland biome