";s:4:"text";s:2599:"Sexual dimorphism largely results from sexual selection (see handout). Males usually weight close to 120-155 grams and females weigh about 110-130 grams.
It is difficult to understand why selection would favor the male peacock's tail. (1978), is still the most conspicuous … Most of these sexually dimorphic behaviors are part of the reproductive repertoire. Sexual dimorphism, the differences in appearance between males and females of the same species, such as in colour, shape, size, and structure, that are caused by the inheritance of one or the other sexual pattern in the genetic material. Sexual Dimorphism and sexual selection . Sexual dimorphism refers to the differences between the sexes other than their sex organs. The sexually dimorphic nucleus (SDN) of the preoptic area of the hypothalamus, as first described in the rat by Gorski et al. Sexual dimorphism is a concept in biology.
It is easy to understand how natural selection can favor longer legs and sharper fangs in animals.
It means that the male and the female of a species look noticeably different. Sexual dimorphism refers to the differences between the sexes other than their sex organs.