Search results
Results from the WOW.Com Content Network
Vocalizations that are made prior to copulation are named mating calls. They serve as a means to advertise sexual receptivity and are predominantly used by males to attract female mates. [10] In general, non-primates emit more calls before copulating, as exemplified by the croaks of male frogs [11] and the melodic tweeting of song sparrows. [12]
Human mating is dependent on the operational sex ratio. The local operational sex ratio has been shown to have an impact on mating strategies. [171] This is defined as the ratio of marriage-age males to marriage-age females, with a high ratio representing more males and a low ratio representing more females in the local area.
The desire for sensual pleasure is usually the main motivation for humans, and sometimes the wish to have a baby or more children. [2] [3] The biological function of vaginal intercourse is human reproduction. During coitus without a condom, sperm enter the vagina, first with the pre-ejaculate and then a larger amount through male ejaculation. [4]
Human mate choice, an aspect of sexual selection in humans, depends on a variety of factors, such as ecology, demography, access to resources, rank/social standing, genes, and parasite stress. While there are a few common mating systems seen among humans, the amount of variation in mating strategies is relatively large.
The activity change during puberty suggests that humans communicate through odors. [4] Several axillary steroids have been described as possible human pheromones: androstadienol, androstadienone, androstenone, androstenol, and androsterone. Androstenol is the putative female pheromone. [5]
Females in certain species have more than one trait or characteristic that they use in a courtship display to attract mates. In dance flies (Rhamphomyia longicauda), females have two ornaments — inflatable abdominal sacs and pinnate tibial scales — that they use as courtship displays in mating swarms. Intermediate variations of such female ...
A 45,000-year-old bone is giving us some news about a 50,000-year-old encounter. Look, we can't play it any other way, this story is about sex. And science. Scientists are trying to figure out ...
Sexual strategies theory (SST) is an evolutionary theory of human mating created by David Buss and David Schmitt in 1993. It defines the set of mating strategies that humans pursue, the adaptive problems that men and women face when pursuing these strategies, and the evolved solutions to these mating problems.