sexual selection

(redirected from Male-male competition)
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Related to Male-male competition: Female Choice

sex·u·al se·lec·tion

a form of natural selection in which, according to darwinian theory, the male or female is attracted by certain characteristics, form, color, behavior, etc., in the opposite sex; thus modifications of a special nature are brought about in the species.

sexual selection

n. Biology
The process in nature by which individuals with certain traits, especially secondary sex characteristics such as colorful plumage and large antlers, are chosen more often for mating and thus pass those traits on to their offspring.

sex·u·al se·lec·tion

(sek'shū-ăl sĕ-lek'shŭn)
A form of natural selection in which, according to Darwin's theory, the male or female is attracted by certain characteristics, forms, colors, behaviors, and phenomena, in the opposite sex; thus, modifications of a special nature are brought about in the species.

sexual selection

the selection of a mate by female animals where, for example, the most brightly coloured is favoured, so maintaining brightly coloured males in a population. Some authorities consider that sexual selection explains the existence of SECONDARY SEXUAL CHARACTERS.
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References in periodicals archive ?
This suggested that female choice may play a more important role than male-male competition during breeding of this species.
The Vocalizations and Hearing Sensitivity of an Explosive-Breeding Tropical Toad from Southern China: A Test of the Matched Filter Hypothesis
The level of activity of the males has been shown to be the only predictor of spawning success in Lucania goodei (McGhee et al., 2007), suggesting that the activity of the males and male-male competition are important components of sexual selection in these types of breeding systems.
Quantitative ethogram of male reproductive behavior in the South European toothcarp aphanius fasciatus
In other dimorphic beetles minor males avoid male-male competition by either mating earlier in the activity cycle or adopting satellite mating tactics (Eberhard 1982, Siva-Jothy 1987, Goldsmith 1987).
Ecologia comportamental de los escarabajos coprofagos Phanaeus (Coleoptera: Scarabaeidae): revision y nuevas observaciones
The second major mode of sexual selection is male-male competition for mates.
Male mating success: preference or prowess? Investigating sexual selection in the laboratory using Drosophila melanogaster
Two mechanisms which contribute to the process of sexual selection are male-male competition and female choice.
Do female striped ground crickets exhibit mate choice in the laboratory?
"He imagines that females are choosing the males who are the winners at male-male competition."
It's all natural: biologist and transwoman Joan Roughgarden takes on Darwin and science's traditional view of sexuality
Martin and Bergmann (1996) argued that male-male competition may be occurring in situations where "...
Conflict Behaviors Toward Same-Sex and Opposite-Sex Peers Among Male and Female Late Adolescents
When Darwin (1871) suggested that sexual selection comprised intrasexual selection (usually mediated by male-male competition) and intersexual selection (usually via female choice), he considered only the behavioral processes taking place prior to copulation.
Cryptic female choice: criteria for establishing female sperm choice
But hierarchizing forces were at work contemporaneously; the overpopulation observed by David Herlihy intensified male-male competition, contributing to the rise of the patrilines noted by Herlihy, Christiane Klapisch-Zuber and Diane Owen Hughes.
Scripts and Scenarios: The Performance of Comedy in Renaissance Italy
Andersson likens contest or male-male competition to interference competition and mate choice to exploitative competition.
Sexual Selection
Aggression among male Tibetan macaques is more intense due to increased male-male competition for success to resources (i.e., females) (Li, 1999).
Evaluation of Fecal Testosterone, Rank and Copulatory Behavior in Wild Male Macaca thibetana at Huangshan, China
The influence of male mating history on male-male competition and female choice in mating associations in the blue crab, Callinectes sapidus (Rathbun).
Locomotory fatigue and size in the Atlantic blue crab, Callinectes sapidus

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