Which of the following is shown by an age-structure diagram?
a. The number of young people in a population as compared to the global average of young people
b. The percentages of males and females categorized as prereproductive, reproductive, and postreproductive
c. How life expectancy changes over time in urban populations
d. How much a population has grown over the last two centuries
e. The average age of immigrants and emigrants in more-developed and less-developed countries
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b. The percentages of males and females categorized as prereproductive, reproductive, and postreproductive
1 answer