Sperm war the science of sex



Although studies show that by the age of 40 years bisexuals have fewer children than heterosexuals, [21] [22] he maintains that at low levels in the population bisexuality is still an evolutionary advantage since the children are typically conceived earlier in life; by age 20 years bisexuals have four times the reproductive success of heterosexuals, and by age 25 twice the success. Diane Books Publishing Company Reviewed on: Sexual Histories, reproductive success, and demographic characteristics of a random sample of American women. Wikipedia articles with possible conflicts of interest from July Pages to import images to Wikidata Use dmy dates from April


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ISBN 13: 9780788160042

Number of sperm in human ejaculates varies in accordance with sperm competition theory. PW Picks: Search for all books with this author and title. This literal sperm warfare was not observed in a subsequent experiment, [15] but Baker criticizes the protocol in this latter experiment.

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From Wikipedia, the free encyclopedia. Published by Diane Books Publishing Company. Sperm Wars: Seller Inventory NEW Views Read Edit View history.

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