ecology review

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Across
  1. 1. mix of sand, clay, and silt
  2. 6. eats dead animals
  3. 7. one living thing
  4. 8. factor that was never alive or never lived
  5. 10. must eat something for energy all animals
  6. 13. all of the different populations living in one area (no abiotic factors)
  7. 16. only eats meat
  8. 17. smaller particles keep it from draining quickly
  9. 18. one species benefits, the other is harmed in some way
  10. 19. the variety of life (or species) on Earth
Down
  1. 2. eats both plants and meat
  2. 3. all of the living and nonliving things that inteact in an area
  3. 4. only eats plants
  4. 5. factor that is living or once lived
  5. 9. makes its own food a plant
  6. 11. larger particles allow it to drain quickly
  7. 12. both species benefit from the relationship
  8. 13. one species benefits, the other is neither helped nor harmed
  9. 14. recycles dead plants and animals
  10. 15. all the members of one species living in one area