To be or not to be the question of gender in the animal kingdom מאת Ramos, Richard Leo

The evolution of insect mating systems

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Alternative reproductive tactics an integrative approach

Female infidelity and paternal uncertainty evolutionary perspectives on male anti-cuckoldry tactics

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Human sperm competition: copulation, masturbation and infidelity. מאת Baker, R. Robin

Sex, evolution, and behavior מאת Daly, Martin 1944-

How they do it מאת Wallace, Robert A. 1938-

A study on the occurence of sex intergrades or morphadites, lethal characters and abnormalities in the different breeds of swine in Central Luzon [microform] מאת Nugitrungsan, Sunthorn 1948-

Sexual selection and the descent of man, 1871-1971 מאת Campbell, Bernard Grant

Sexual selection and the descent of man, 1871-1971