Unit #3 CrossWord

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Across
  1. 4. the area of environment in which a species regularly lives.
  2. 9. An _______ species lives in an area or environment which it does not normally live.
  3. 10. Refers the the belief that natural selection drives evolution.
  4. 12. The specific type of adaptation refers to changes in how an organism acts or behaves.
  5. 14. The ability of a species to change over time with desirable characteristics best suited for survival.
  6. 15. This term simply means to change over time.
Down
  1. 1. This six letter word is an example of biotic organisms.
  2. 2. _________ selection is the selection and manipulation of desirable characteristics by humans.
  3. 3. An organisms role in its environment.
  4. 5. The ability for a species to develop an immunity to certain diseases or harmful chemical agents.
  5. 6. An abiotic factor that contributes to the biotic factors of an ecosystem would be ______.
  6. 7. Has the role of maintaining population sizes in an ecosystem.
  7. 8. This is what the process is called when two organisms fight for the same resources.
  8. 11. A factor of the environment that is considered to be living.
  9. 13. Two different species _______ occupy the same niche in the same habitat.