Lesson 4: Organisms and Their Environment

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Across
  1. 4. any relationship in which two species live closely together.
  2. 5. one organism lives on or in the organism and harms it.
  3. 7. living things in an environment
  4. 10. one organism benefits and the other is neither helped nor harmed.
Down
  1. 1. the species being eaten.
  2. 2. an area where an organism lives
  3. 3. nonliving things in an environment
  4. 6. Both species benefit from the relationship
  5. 8. seeks out and eats other species
  6. 9. the combined physical and biological conditions a species uses in its environment.