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4 Cards in this Set
- Front
- Back
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past, present, future populaion
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6.9 billion humans on Earth
tripled since 1900; 9.3 billion expected by 2050 Overall, 1.14% annual growth rate 75 million more people each year |
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6 factors that affect human population growth rate
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Birth rate
Death rate Sex ratio Age distribution Immigration/emigration Density |
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why women have more children in male-dominated societies
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In male-dominated societies, traditional role of women is to marry & have children
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two factors have the greatest control on birth rates
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Cultural role/status of women
Desires of women to have children & access to birth control |
