Human Population

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Across
  1. 6. Organism that causes disease
  2. 8. Amount of chemical that you are exposed to
  3. 10. Particles small enough to breathe in
  4. 11. Study of the human population
  5. 12. Movement of people into an area
  6. 14. Study of the spread of disease
  7. 16. substance that inhibits bacterial growth
  8. 18. average number of kids per woman
Down
  1. 1. Want more kids per family
  2. 2. Cleaning medical instruments
  3. 3. High birth rates; poor social structure
  4. 4. Fewer kids per family
  5. 5. Low birth rates; Wealthy
  6. 6. Rapidly increasing disease over a large area
  7. 7. percentage of survival to a certain age
  8. 9. Movement of people out of an area
  9. 13. Organism in which pathogen lives in.
  10. 15. Basic facilities that support a city
  11. 17. Movement of people into a city from rural