human populations
Across
- 3. growth whose rate becomes ever more rapid in proportion to the growing total number or size.
- 5. oldest population in the world
- 7. the number of births per 1,000 women of child bearing age
- 8. new threats affecting life expectancy as population grows
- 9. largest population in the world
- 10. the average length of time that an individual is expected to live
- 13. the death of children under the age of one year
- 15. world population
- 19. percentage of the population at each age level in a population
- 21. farmland that can be used to grow crops
- 22. life expectancy in the US
Down
- 1. movement of population from one location to another
- 2. the general pattern of demographic change from high birth and death rates to low birth and high death rates
- 4. predicted to be the most populous country in the world by 2050
- 6. msjor problem caused by rapid population growth
- 11. birth rate minus death rate
- 12. scientific study of human populations
- 14. strategy to reduce population growth
- 16. the percentage of newborn individual in a population that can be expected to survive to a given age
- 17. led to the decline in death rates around the world
- 18. basic facilities of a region, roads, sewers, etc
- 20. an increase in people living in urban areas than rural