Across
- 4. eats both plants and meat
- 6. larger particles allow it to drain quickly
- 7. the succession that occurs after a volcanic eruption forms new land where there is no soil
- 8. living or once living and now dead or made by something that was alive
- 10. one species benefits, the other is harmed in someway
- 11. the variety of life or species on Earth
- 12. one species benefits, the other is neither helped nor harmed
- 16. by plants used with water, sunlight, and carbon dioxide and made with sugar and oxygen
- 17. must eat something for energy
- 20. by animals used with food/glucose and made with carbon dioxide
- 21. eats plants
- 23. recycles dead organisms and waste
- 25. one living thing
- 26. eats dead animals
- 27. both species benefit from the relationship
Down
- 1. a close relationship between species that benefits at least one of the species
- 2. a pyramid that shows the amount of energy that moves from one energy level to the next
- 3. makes its own food through the process of photosynthesis
- 5. all the members of one species living in an area
- 9. being dependent on others for some needs, being mutually depended on each other
- 13. mix of sand, clay, and silt
- 14. made of weathered rock, minerals, humus, water and air
- 15. the succession that occurs after a forest fire where soil is left
- 18. eats meat
- 19. all of the different populations living in an area no biotic factors
- 22. smaller or tightly packed particles keep it from draining quickly
- 24. all of the living and nonliving things that interact in an area
- 26. provides energy for food chains
- 28. an environmental factor that is not alive, never lived, and was not part of something living
