Ecology Assessment

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Across
  1. 3. makes its own food
  2. 4. smaller tightly packed particles keep it from draining quickly
  3. 5. animals use food/glucose to make carbon dioxide
  4. 9. mix and sand, clay, and silt
  5. 11. a close relationship that benefits at least one of the species
  6. 12. both species benefit from the relationship
  7. 13. one species benefits, the other is harmed in some way
  8. 16. occurs after a forest fire
  9. 19. show the amount of energy that moves from one energy level to the next
  10. 22. provides the energy for food chains
  11. 23. made of weathered rock, minerals, humus, water and air
  12. 24. must eat something for energy.
  13. 25. one living thing
Down
  1. 1. all the members of one species living in on area.
  2. 2. eats dead animals
  3. 6. occurs after a volcanic eruption
  4. 7. eats both
  5. 8. all of the different living in one area (no abiotic factors)
  6. 10. one species benfits, the other is neither helped nor harmed
  7. 13. how plants make their own food using water, sunlight, and carbon dioxide
  8. 14. eats plants
  9. 15. larger particles allow it to drain quickly
  10. 17. all of the living and nonliving things that interact in an area
  11. 18. eats meat
  12. 20. recycles dead organisms
  13. 21. how an ecosystem changes over time