crosswords pazzel

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