Ecology Review

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Across
  1. 2. all of the living and nonliving things that interact in an area
  2. 6. one species benefits, the other is harmed in some
  3. 9. larger particles allow it to drain quickly
  4. 10. one species benefits, the other is nor helped nor harmed
  5. 12. all the members of one species living in an area
  6. 15. the variety of life (or species) on earth
  7. 16. eats meat
  8. 18. all of the living and non living things that interact in an area
  9. 19. recycles dead organisms and waste
  10. 21. how an ecosystem changes over time
  11. 22. made of weathered rock,minerals,humus,water and air
  12. 23. one living thing
Down
  1. 1. factor that was living (and now dead) or made by something that was living
  2. 3. both species benefit from the relationship
  3. 4. a close relationship between species that benefits at least one of the species
  4. 5. smaler (tightly packed)particles keep it from draining quickly
  5. 7. eats both plant and meat
  6. 8. factor an environmental factor that is not alive,never lived and was not part of something living
  7. 11. being dependent on others for some needs, being mutually dependent on each other
  8. 13. eats dead animals
  9. 14. mix of sand,silt,and clay
  10. 17. all of the different population
  11. 20. eats plants
  12. 22. main source of energy