Populations Extra Credit

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Across
  1. 2. the study of human population statistics.
  2. 3. a trend that led to the development of antibiotics and vaccines.
  3. 7. a trend that led to living conditions becoming cleaner.
  4. 10. in the pre-industrial stage of the Demographic Transition model ________ is high because of disease and poor medicine.
  5. 11. this type of society has a larger ecological footprint (overconsumption).
  6. 12. in the pre-industrial stage of the Demographic Transition Model, birth rate and death rate are ________.
  7. 13. humans are clumped, not random or uniform.
Down
  1. 1. how many people per square km or square mile.
  2. 4. in the pre-industrial stage of the Demographic Transition Model _______ is high in stage 1 and 2.
  3. 5. a pressure on poor nations of needing more land for farming/livestock that leads to flooding.
  4. 6. a pressure on poor nations of having heavy farming and large amounts of livestock.
  5. 8. this field created pesticides and fertilizers that helped with mass production of crops.
  6. 9. average number of children a female member of a population has during her lifetime.