Across
- 3. layer of rock beneath soil
- 5. amber is hardened tree ____
- 7. amount of different sized soil particles in soil
- 8. fossil which does not preserve organisms
- 9. soil provides habitat to this organism
- 10. In petrification process, ____ replaces tissues
- 11. determined by parent rock and weathering
- 13. of organism are preserved in rock
- 14. plowing method that helps conserve soil
- 16. plants disappearing from an area due to soil infertility
- 18. another name for tar
- 19. temperature slows down decay
- 21. plant or animal buried in mold ____
- 22. the horizon with weathered bedrock
- 23. stores this to help prevent floods
Down
- 1. remains or physical evidence of organisms
- 2. object created when sediment fills a mold
- 4. what soil provides for animals and plants
- 6. the rock which gets weathered into soil
- 8. index fossil organism
- 12. on the ground surface in O horizon
- 15. Ability to hold nutrients for plants
- 17. what B horizon contains
- 20. a loose mixture minerals, water, air, organic matter