Across
- 4. The parts of the earth surface and atmosphere
- 7. Relating to,found in or produced by the sea
- 9. Evergreen trees are abundant in this region
- 11. Cold region with no trees near polar caps
- 12. The animals of a region
- 13. The seeds are cone shaped
- 14. The soil layer that is frozen permanently
- 17. Organisms in their physical environment
- 18. A variety of life in a region
- 20. Trees that do not drop their leaves often
- 21. Frozen water part of the Earth
Down
- 1. Region made mostly of grasses and grazers
- 2. A natural area of flora and fauna communities
- 3. Trees that drop their leaves
- 5. Plants that hold moisture
- 6. The water parts of a planet
- 8. Hot and humid region that does not have snow
- 10. Plants and animals near water
- 15. The plants of the region
- 16. Land based
- 19. Very hot region that has little rainfall