Unit 8 Exam

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Across
  1. 3. A shrinking population where birth rates fall below death rates
  2. 5. characterized by urban sprawl
  3. 7. Growing crops without disturbing the soil by planting seeds directly into the residue of previous crops
  4. 8. the uncontrolled expansion of cities and subs into rural lands
  5. 10. a massive global agricultural transformation driven by technology transfer that increased crop yield
  6. 13. challenge with trying to produce enough food
  7. 15. State where population remains relatively constant due to consistent birth and death rates
  8. 17. Average number of years members of a population are expected to live
  9. 18. A massive and heavily populated urban region formed by the merging of large cities and suburbs
  10. 19. amount of food that can be produced in a given area
Down
  1. 1. heavily populated like cities with low density
  2. 2. Low birth rates and high life expectency
  3. 4. The measure of the quantity of food produced on a given area of land w/ limited inputs of energy
  4. 6. Cutting, breaking up, and turning over soil using a plow to prepare land for planting
  5. 9. Planting different crops in a specific sequence on the same land
  6. 11. measures the average number of children born to women of reproductive age
  7. 12. the death of an infant per 1000 births
  8. 14. High birth rates, much more young than old
  9. 16. The study of human populations