Sexual size dimorphism (SSD) is the tendency for one sex of a species to be larger than the other. For most cold-blooded animals exhibiting SSD, females tend to be larger; while for most warm-blooded species males do, but there are exceptions to both these rules. SSD is often considered to be a consequence of
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Sexual dimorphism in non-human primates — has long been observed in the primate family, with numerous studies performed to document and explain the phenomenon. Recent studies have mainly used the technique of comparative analysis to examine both the variation in the expression of the… … Wikipedia
Sexual dimorphism — Female (left) and male Common Pheasant, illustrating the dramatic difference in both color and size between sexes Sexual dimorphism is a phenotypic difference between males and females of the same species. Examples of such differences include… … Wikipedia
Sexual selection — This article is about the evolutionary concept. For the selection of the sex of offspring, see sex selection. Goldie s Bird of paradise: Ornamented male above; female below. Paradesia decora by John Gerrard Keulemans (d.1912) Sexual selection, a… … Wikipedia
Sexual cannibalism — This article is about arthropod behavior; for the human psychological disorder see sexually motivated cannibalism Sexual cannibalism is a special case of cannibalism in which a female organism kills and consumes a male of the same species before … Wikipedia
Sexual dimorphism — Sexual Sex u*al, a. [L. sexualis, fr. sexus sex: cf. F. sexuel.] Of or pertaining to sex, or the sexes; distinguishing sex; peculiar to the distinction and office of male or female; relating to the distinctive genital organs of the sexes;… … The Collaborative International Dictionary of English
Sexual reproduction — is the creation of a new organism by combining the genetic material of two organisms. The two main processes are: meiosis, involving the halving of the number of chromosomes; and fertilization, involving the fusion of two gametes and the… … Wikipedia
Sexual conflict — occurs when the two sexes have conflicting optimal fitness strategies concerning reproduction, leading to evolutionary arms race between males and females. It has primarily been studied in animals, though it can in principle apply to any sexually … Wikipedia
Sexual — Sex u*al, a. [L. sexualis, fr. sexus sex: cf. F. sexuel.] Of or pertaining to sex, or the sexes; distinguishing sex; peculiar to the distinction and office of male or female; relating to the distinctive genital organs of the sexes; proceeding… … The Collaborative International Dictionary of English
Sexual method — Sexual Sex u*al, a. [L. sexualis, fr. sexus sex: cf. F. sexuel.] Of or pertaining to sex, or the sexes; distinguishing sex; peculiar to the distinction and office of male or female; relating to the distinctive genital organs of the sexes;… … The Collaborative International Dictionary of English
Sexual selection — Sexual Sex u*al, a. [L. sexualis, fr. sexus sex: cf. F. sexuel.] Of or pertaining to sex, or the sexes; distinguishing sex; peculiar to the distinction and office of male or female; relating to the distinctive genital organs of the sexes;… … The Collaborative International Dictionary of English
