Biology

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Across
  1. 6. who the parasite benefits from
  2. 7. the regions of the surface and atmosphere of the earth occupied by living organisms
  3. 8. a self contained habitat where living and non-living things interact
  4. 9. the organism uses its host for its own benefit, the host is harmed and sometimes killed
  5. 10. living components of an environment
  6. 11. when two or more species fight food and territory
  7. 14. one species isn't affected or doesn't care whilst the other species is killed e.g. a cow stepping on an ant
  8. 16. e.g. a hawk eating a mouse
Down
  1. 1. where both species benefit
  2. 2. non-living or physical factors of an environment
  3. 3. a close relationship between two species
  4. 4. one species benefits and the other is neither harmed nor helped
  5. 5. different species interacting
  6. 12. same species interacting
  7. 13. the study of living things
  8. 15. the business that one organism conducts, no two species can share the same of this