The Effects of Sexual Selection on Mate Choice in Freshwater CrayfishPublic
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Mate choice is though to be affected by selection for characteristics that enhance the probability of producing abundant and viable offspring. Samples of O. limosus were collected from the Sturbridge, MA in the Quinebaug River and studied in the lab for different mate choice responses. This work tests the hypothesis that in a given three-male dominance hierarchy, the dominant male will mate with a single added female more frequently and will initiate mating faster than the intermediate and submissive males, and also tests the hypothesis that given the choice between a virgin and nonvirgin mate, an individual will both choose more frequently and initiate mating faster with a virgin.
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