Across
- 4. Earth
- 5. Fundamental Principle
- 6. Rise of Amniotes
- 7. Representing something else
- 10. Evolution of Leaves and Roots
- 11. Protects North Queensland
- 12. Submerged Continent
- 13. Gas from combustion
- 14. Period of Time
- 17. Dinosaurs First Appeared
- 18. Can heat or cool us
- 21. Orbital Theory
- 22. Awareness of Facts
- 23. Explosion of Life
- 25. Island country in Oceania
- 27. Ring-shaped Island
- 30. Liberated the first Oxygen
- 31. Location of ice-cores
- 33. Body of Ice
- 35. First Land Plants
- 36. Vapor that insulates
Down
- 1. Lightest hydrocarbon
- 2. Diversification of Jawed Fish
- 3. Too cold for trees
- 8. New Life
- 9. Reflects solar radiation
- 11. Occam had one
- 15. Coal Bearing
- 16. Ancient Life
- 19. Different
- 20. Middle Life
- 24. Since the Ice Age
- 26. Lagging environmentally
- 28. First Birds Appeared
- 29. Large living carbon sink
- 32. Condensed gas
- 34. Station in Antarctica