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Sperm Competition in Humans

Автор: Bo0mB0om » 18 апреля 2016
Sperm Competition in Humans
Sperm Competition in Humans: Classic and Contemporary Readings by Todd K. Shackelford
English | 14 Feb. 2006 | ISBN: 0387280367 | 299 Pages | PDF | 3 MB

In species with internal fertilization, sperm competition occurs when the sperm of two or more males simultaneously occupy the reproductive tract of a female and compete to fertilize an egg.



In species with internal fertilization, sperm competition occurs when the sperm of two or more males simultaneously occupy the reproductive tract of a female and compete to fertilize an egg (Parker, 1970). A large body of empirical research has demonstrated that, as predicted by sperm competition theory, males and females in many species possess anatomical, behavioral, and physiological adaptations that have evolved to deal with the adaptive challenges associated with sperm competition.




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