Sexual Selection: A Very Short Introduction (Very Short Introductions)

What is responsible for the differences between the sexes in so many animals, from the brilliant plumage of birds-of-paradise to the antlers on deer? Why are the traits that distinguish the sexes sometimes detrimental to survival? Ahy do males and females sometimes behave differently?

Questions like these have intrigued scientists and the public alike for many years. New discoveries are showing us both how wildly variable the natural world is, and how some basic principles can help explain much of that variation. Like natural selection, sexual selection is a process that results from differential representation of genes in successive generations. Under sexual selection, however, the crucial characteristics that determine whether an individual reproduces depend on sexual competition rather than survival ability.

This Very Short Introduction uncovers the history of our understanding of sexual selection, from Darwin's key insights to the modern day. Considering the investment animals place on reproduction, variation in mating systems, sexual conflict, and the origin of sexual dimorphism, Marlene Zuk and Leigh Simmons discuss questions such as whether females can really choose between males on aesthetic grounds, and how sexual conflict is resolved in different species.

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Marlene Zuk is Professor in the Department of Ecology, Evolution, and Behavior at the University of Minnesota Twin Cities. She has researched sexual selection for 25 years. In addition to authoring many scholarly articles, Zuk has written four books for general readers, including Sexual Selections: What We Can and Can't Learn About Sex from Animals (2002, University of California Press) and Sex on Six Legs: Lessons on Life, Love and Language from the Insect World (a New York Times "Editor's Choice"). Her work has appeared in a wide variety of science magazines as well as the Wall Street Journal, and other general outlets.

Leigh W Simmons is professor in the School of Animal Biology at the University of Western Australia, and Director of the UWA Centre for Evolutionary Biology. She has worked for nearly 40 years on sexual selection, primarily in insects, but also in frogs and mammals, including humans. Leigh is the author of Sperm Competition (2001, Princeton University Press), and co-wrote Ecology and Evolution of Dung Beetles (2011, Wiley-Blackwell) with T. James Ridsdill-Smith, and The Evolution of Insect Mating Systems (2014, Oxford University Press) with David M Shuker.