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Submission + - Monogamy May Have Evolved to Prevent Infanticide (sciencemag.org)

sciencehabit writes: Human males and females have a strong tendency to live together in monogamous pairs, albeit for highly varied periods of time and degrees of fidelity. Just how such behavior arose has been the topic of much debate among researchers. A new study comes to a startling conclusion: Among primates, including perhaps humans, monogamy evolved because it protected infants from being killed by rival males.
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Monogamy May Have Evolved to Prevent Infanticide

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