Interactions Among Living Things

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Across
  1. 4. an interaction in which one organism kills another for food or nutrients
  2. 6. struggle between organisms to survive as they attempt to use the same limited resources
  3. 8. behaviors and physical characteristics that allow organisms to live successfully in their environments
  4. 10. an organism that does the killing in predation
  5. 11. the organism that is being harmed in the relationship of parasitism
  6. 12. relationship in which two species live closely together and at least one of the species benefits
Down
  1. 1. relationship that involves one organism living with, in, on, or inside another organism and harming it
  2. 2. organism that is being killed in predation
  3. 3. role of an organism in its habitat
  4. 5. symbiotic relationship in which both species benefit
  5. 6. symbiotic relationship in which one species is helped and the other is not helped or harmed
  6. 7. selection characteristic that makes an individual better suited to a specific environment
  7. 9. the organism that benefits in the relationship of parasitism