Across
- 1. - Relationship where one is harmed
- 2. - Cycle with CO₂ and photosynthesis
- 3. - Non-living parts of an ecosystem
- 4. - Organisms that make their own food
- 7. - Green pigment in plants
- 9. - Process of making food from sunlight
- 11. - Converts nitrogen into usable form
- 13. - Solid layer of Earth we walk on
- 14. -Underground shaking of the Earth
- 18. - Main gas used in photosynthesis
- 19. - Relationship where both benefit
- 22. - Eats only plants
- 23. - Organisms that eat others
- 26. - Cycle involving bacteria and soil
- 28. - All living organisms in an area
- 29. - Opposite of evaporation
Down
- 1. - Rain falling from clouds
- 5. - Recycling of nutrients in nature
- 6. - Sunlight, temperature, water, etc.
- 8. - Organism that hunts prey
- 10. - Explosive mountain
- 12. - parts of an ecosystem
- 15. - Process of water turning into vapor
- 16. - Particles deposited by wind or water
- 17. - Cycle that involves rain and clouds
- 20. - Mountain formed by tectonic movement
- 21. - Wearing away of rocks or soil
- 24. - Primary gas for life
- 25. - Soil type rich in minerals
- 27. - Organisms that break down dead matter