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Due to the difference in sex ratio what would be the impact on society explain |
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Answer» ating and reproductive behaviour can vary depending on various mechanisms, including the LOCAL sex ratio. Previous RESEARCH shows that as sex ratios become female-biased, women from economically deprived areas are less likely to delay reproductive opportunities to wait for a high-investing mate but instead begin their reproductive CAREERS sooner. Here, we show that the local sex ratio also has an IMPACT on female fertility schedules. At young ages, a female-biased ratio is associated with higher birth rates in the poorest areas, whereas the opposite is true for the richest areas. At OLDER ages, a female-biased ratio is associated with higher birth rates in the richest, but not the poorest areas. These patterns suggest that female–female competition encourages poorer women to adopt a fast life-history strategy and give birth early, and richer women to adopt a slow life-history strategy and delay reproduction. |
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