Biology: Fertility Rates The graph of the United States fertility rate shows the number
Chapter 3, Problem 52(choose chapter or problem)
Biology: Fertility Rates The graph of the United States fertility rate shows the number of births per 1000 women in their lifetime according to the birth rate in that particular year. (Source: U.S. National Center for Health Statistics) (a) Around what year was the fertility rate the highest, and to how many births per 1000 women did this rate correspond? (b) During which time periods was the fertility rate increasing most rapidly? Most slowly? (c) During which time periods was the fertility rate decreasing most rapidly? Most slowly? (d) Give some possible real-life reasons for fluctuations in the fertility rate.
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