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See searches and references containing SEXUAL SELECTION!SEXUAL SELECTION
Mode of natural selection involving the choosing of and competition for mates
Sexual selection is a mechanism of evolution in which members of one sex choose mates of the other sex (intersexual selection) to mate with, and compete
Sexual_selection
Evolutionary effects of sexual selection on humans
The concept of sexual selection was introduced by Charles Darwin as an element of his theory of natural selection. Sexual selection is a biological way
Sexual_selection_in_humans
Group of large game birds
attract females, and the showy features of the males had evolved by sexual selection. More recently, Amotz Zahavi proposed in his handicap principle that
Peafowl
Sex-specific adaptations
mainly through sexual selection. These differences may be subtle or exaggerated and may be subjected to sexual selection and natural selection. The opposite
Sexual_dimorphism
Sexual selection has been observed in fungi as a part of their reproduction, although they also often reproduce asexually. In the basidiomycetes, the sex
Sexual_selection_in_fungi
Sexual behavior of non-human animals
behaviour r/K selection theory House mouse § Social behavior includes polygamy Sexual behavior of dogs Sexual behavior of horses Non-reproductive sexual behavior
Animal_sexual_behaviour
Biological process
However, sexual selection is only implied over an extended period of time leading to sexual dimorphism. Animals have different ways of going about sexual selection
Sexual_reproduction
Various types of avian mating rituals/behaviors found in nature
Sexual selection in birds concerns how birds have evolved a variety of mating behaviors, with the peacock tail being perhaps the most famous example of
Sexual_selection_in_birds
Evolution-related timelines
found sexually attractive by many men is in agreement with sexual selection acting on human females secondary sexual characteristics. Sexual selection for
Evolution of human intelligence
Evolution_of_human_intelligence
Desirable qualities in partners
preferences shaped by ancestral selection pressures. These preferences are understood within the framework of sexual selection (first proposed by Charles Darwin
Mate_choice_in_humans
Sexually provocative material or action
sexual suggestiveness effectively is a trait that is part of sexual selection. Displays of sexual suggestiveness can exhibit a diverse variety, such as depictions
Sexual_suggestiveness
disparity in heterosexual sexual relationships in terms of natural selection and sexual selection. Within sexual selection, Darwin identified a further
Age disparity in sexual relationships
Age_disparity_in_sexual_relationships
Change in the heritable traits of populations
under selection can be partially captured by an appropriate effective population size. A special case of natural selection is sexual selection, which
Evolution
Mechanism of evolution by differential reproduction
as sexual selection. Female bodies also prefer traits that confer the lowest cost to their reproductive health, which is known as fecundity selection. Natural
Natural_selection
Biological part involved in sexual reproduction
first, testes and ovaries evolved due to natural selection. A consensus has emerged that sexual selection represents a primary factor for genital evolution
Sex_organ
Trait that determines an organism's sexually reproductive function
individual's sexual characteristics. Sexual selection or mate choice can accelerate the evolution of differences between the sexes. Some sexually reproducing
Biological_sex
Choice of and competition for mates
Sexual selection in amphibians involves sexual selection processes in amphibians, including frogs, salamanders and newts. Prolonged breeders, the majority
Sexual selection in amphibians
Sexual_selection_in_amphibians
Topic in biology
Sexual selection in insects is about how sexual selection functions in insects. The males of some species have evolved exaggerated adornments and mechanisms
Sexual_selection_in_insects
Genus of mammals
Festa-Bianchet, M; Jorgenson, J; Strobeck, C (2002). "Age-Dependent Sexual Selection in Bighorn Rams". Proceedings of the Royal Society B: Biological Sciences
Ovis
Swelling of genital and perineal skin in some mammals as a sign of fertility
societies, 91% have sexual swellings. Nonetheless, nonseasonal reproductive environments are not a necessary precursor for the selection of sexual swellings. Indeed
Sexual_swelling
Sexual selection in spiders shows how sexual selection explains the evolution of phenotypic traits in spiders. Male spiders have many complex courtship
Sexual_selection_in_spiders
Attraction on the basis of sexual desire
is an individual's ability to attract other people sexually, and is a factor in sexual selection or mate choice. The attraction can be to the physical
Sexual_attraction
English naturalist and biologist (1809–1882)
Fertilisation of Orchids (1862) and human evolution and sexual selection in The Descent of Man, and Selection in Relation to Sex (1871). The Expression of the
Charles_Darwin
1859 book on evolution by Charles Darwin
birds. He analysed sexual selection more fully in The Descent of Man, and Selection in Relation to Sex (1871). Natural selection was expected to work
On_the_Origin_of_Species
Term in evolutionary biology
also be seen in the chase-away sexual selection model, which places inter-sexual conflicts in the context of secondary sexual characteristic evolution, sensory
Sexual_conflict
1871 book by Charles Darwin
details his theory of sexual selection, a form of biological adaptation distinct from, yet interconnected with, natural selection. Darwin used the word
The Descent of Man, and Selection in Relation to Sex
The_Descent_of_Man,_and_Selection_in_Relation_to_Sex
American evolutionary biologist
in 2001, with the dissertation titled "The evolutionary ecology and sexual selection of a Madagascan poison frog (Mantella laevigata)." Until 2017, Heying
Heather_Heying
Sexual selection in scaled reptiles studies how sexual selection manifests in snakes and lizards, which constitute the order Squamata of reptiles. Each
Sexual selection in scaled reptiles
Sexual_selection_in_scaled_reptiles
Vocal organ of birds
evident from modern avian diversification that sexual selection often drives vocal evolution. Sexual dimorphism leads to different syrinxes in birds
Syrinx_(bird_anatomy)
Retention of juvenile traits into adulthood
changes may have disparate roots. Some may have been brought about by sexual selection in human evolution. In turn, they may have permitted the development
Neoteny_in_humans
Mode of natural selection
Sexual selection in mammals is a process the study of which started with Charles Darwin's observations concerning sexual selection, including sexual selection
Sexual_selection_in_mammals
Sexual selection mechanism
Fisherian runaway or runaway selection is a sexual selection mechanism proposed by the mathematical biologist Ronald Fisher in the early 20th century
Fisherian_runaway
Adaptive immune gene selection
either an indirect or direct benefit. As a result of female choice, sexual selection is imposed on males. This is evidenced by genetic "advertisement"—an
Major histocompatibility complex and sexual selection
Major_histocompatibility_complex_and_sexual_selection
Birds of the order Charadriiformes
biggest factors that leads to the development of sexual dimorphism in shorebirds is sexual selection. Males with ideal characteristics favoured by females
Wader
Class of mental image or pattern of thought
Trivers, R. L. (1972). Parental investment and sexual selection. In B. Cambell (Ed.), Sexual Selection and the Descent of Man, 1871-1971. Chicago: Aldine
Sexual_fantasy
biology What selection pressures led to the evolution and maintenance of sexual reproduction? More unsolved problems in biology Sexually reproducing animals
Evolution of sexual reproduction
Evolution_of_sexual_reproduction
Neologism from online manosphere communities
associated with the black pill ideology, which espouses that female sexual selection is primarily based on external physical qualities such as height and
Looksmaxxing
Species of beetle
decreases, respectively, in response to this environmental reprogramming. Sexual selection primarily involves competition among males, which centers around methods
Onthophagus_taurus
Atypical sexual attraction
paraphilia is an uncommon, intense, and persistent sexual arousal or attraction to anything not sexual by nature, though preference is favored for specific
Paraphilia
American evolutionary psychologist (born 1965)
psychology at the University of New Mexico. He is known for his research on sexual selection in human evolution. Born in Cincinnati, Ohio, Miller graduated from
Geoffrey Miller (psychologist)
Geoffrey_Miller_(psychologist)
Clade of seed plants that produce flowers
nucellar embryony. Sexual selection is a mechanism of evolution in which members of one sex choose mates of the other sex (inter-sexual selection), and compete
Flowering_plant
Enticing a person to sexual behaviour
enticing someone else into sexual intercourse or other sexual activity. Strategies of seduction include conversation and sexual scripts, paralingual features
Seduction
Conundrum in sexual selection behaviour
variation in male traits within lek mating systems, despite strong sexual selection through female choice. This paradox arises from the expectation that
Lek_paradox
Physiological and psychological changes in preparation for sexual intercourse
Sexual arousal (also known as sexual excitement) describes the physiological and psychological responses in preparation for sexual intercourse or when
Sexual_arousal
Genus of carnivorous synapsids from the Permian
faster rate than was necessary for thermoregulation, and suggested that sexual selection was the primary reason for its evolution. The allometric exponent for
Dimetrodon
Species of fish
body size and sexual dimorphism can affect one's survival. This leads to opposing pressures of natural selection and sexual selection. Larger males are
Sockeye_salmon
Biological principle about the differential reproductive success in males versus females
Although Bateman's principle has served as a cornerstone for the study of sexual selection for many decades, it has been controversial. One study refers to the
Bateman's_principle
Behavior which increases reproductive success
subject to the forces of natural selection. Examples include favoring kin in altruistic behaviors, sexual selection of the most fit mate, and defending
Adaptive_behavior_(ecology)
Mechanism of evolution involving male gamete competition and cryptic female choice
Sexual selection is a mechanism of evolution in which members of one sex choose mates of the other sex to mate with (inter-sexual selection), and compete
Sexual selection in flowering plants
Sexual_selection_in_flowering_plants
Form of human sexual intercourse
22074/ijfs.2020.6060. PMC 7139224. PMID 32112642. Dixson, Alan F. (2009). Sexual Selection and the Origins of Human Mating Systems. Oxford University Press. p
Penile–vaginal_intercourse
heterozygotic variations. Such genetic factors may play a role in sexual selection. Signalling odors in reproduction are called attractants; their function
Body odour and sexual attraction
Body_odour_and_sexual_attraction
Features that occur in an organism at sexual maturity
breeding. In The Descent of Man and Selection in Relation to Sex, Charles Darwin hypothesized that sexual selection, or competition within a species for
Secondary_sex_characteristic
Termination of a species' lineage
natural selection, as well as sexual selection removing a diversity of genes that under current ecological conditions are neutral for natural selection but
Extinction
Animal sexual reproductive act in which a male introduces sperm into the female's body
In zoology, copulation is animal sexual behavior in which a male introduces sperm into the female's body, especially directly into the female's reproductive
Copulation_(zoology)
thereof. Differences across populations evolved through natural selection and sexual selection, because of social norms and differences in environment, as
Human_skin_color
Species of spider
potential sexual success outweighs the relatively low costs of the mating ritual. The mating behavior of M. volans is an example of runaway sexual selection where
Maratus_volans
Sexual differences in primates
systems in the sexual selection of primates. Extant primates exhibit a broad range of variation in sexual size dimorphism (SSD), or sexual divergence in
Sexual dimorphism in non-human primates
Sexual_dimorphism_in_non-human_primates
Form of dyadic relationship
The term is typically used to describe the behavioral ecology and sexual selection of animal mating systems, referring to the state of having only one
Monogamy
Mating habits of the class Gastropoda
acuta is a self-fertile organism that can be exposed either to strong sexual selection or to self-fertilization depending on its mode of reproduction. Noel
Mating_of_gastropods
Communication to start a relationship with someone or to get sexual contact
a male, attempts to attract a mate; the mate exercises choice, so sexual selection acts on the display. These behaviors often include ritualized movement
Courtship_display
Sex of an organism which produces sperm
characteristics as a way of displaying traits that signify their fitness. Sexual selection is believed to be the driving force behind the development of these
Male
Haploid sex cell
organism produces determines its sex and sets the basis for the sexual roles and sexual selection. Female gametes are called ova or egg cells, and male gametes
Gamete
Class of chemical compounds; yellow, orange or red plant pigments
Ozakinci G, Perrett DI (2012). "Attractive skin coloration: harnessing sexual selection to improve diet and health". Evol Psychol. 10 (5): 842–54. doi:10
Carotenoid
Tribe of birds
for the evolution of sexual dimorphism in grouse is sexual selection. Sexual selection favours large males; stronger selection for larger size in males
Grouse
result of sexual selection: by selecting more hairless mates, humans accelerated changes initiated by natural selection. Sexual selection may also account
Prehistory of nakedness and clothing
Prehistory_of_nakedness_and_clothing
Family of amphibians
influenced the evolution of polymorphism in Oophaga granulifera, while sexual selection appears to have contributed to differentiation among the Bocas del
Poison_dart_frog
Theory of human evolution
problems. Sex differences in minimum obligatory parental investment and sexual selection have fashioned sex-differentiated forms of short-term mating. Access
Sexual_strategies_theory
Species of butterfly
other males. Unlike sexual selection in males, visible color differences among males do not play an important role in mate selection by females. Females
Colias_eurytheme
Form in which people experience and express themselves sexually
individual's ability to attract the sexual or erotic interest of another person is a factor in sexual selection or mate choice. Sexual attraction can be to the physical
Human_sexuality
Species of beetle
uncovered that sexual selection strength across populations could be the key step in better understanding mating dynamics and sexual selection patterns in
Japanese_rhinoceros_beetle
Species of bird
generation in order to perpetuate the species. While sexual selection leads to bright plumage, natural selection, in turn, favors defensive colouration in the
Guianan_cock-of-the-rock
Species of bird
The northern mockingbird's mimicry is likely to serve as a form of sexual selection through which competition between males and female choice influence
Northern_mockingbird
Union of an egg and sperm to form a zygote within the female body
It has been argued that internal fertilization evolve because of sexual selection through sperm competition. In amphibians, internal fertilization evolved
Internal_fertilization
Zoologist, evolutionary biologist
nature of sexual selection in Scathophaga stercoraria L. (the yellow dung fly), and provided a detailed quantitative test of Darwin's theory of sexual selection
Geoff_Parker
Branch of psychology
traits and mechanisms are either functional products of natural and sexual selection or non-adaptive by-products of other adaptive traits. Adaptationist
Evolutionary_psychology
Sexual reproduction involving a large, female gamete and a small, male gamete
male and female sexes. Anisogamy is an outcome of both natural selection and sexual selection, and led the sexes to evolve different primary and secondary
Anisogamy
Hypothesis of female mating behavior
personality for a long-term pair bond, etc. Evolutionary theory and sexual selection theory suggest that an organism's top priority should be to maximize
Ovulatory_shift_hypothesis
Behavioral theory
honest signals of an individual's underlying quality resulting from sexual selection, the scope of costly signaling theory has been expanded to include
Costly signaling theory in evolutionary psychology
Costly_signaling_theory_in_evolutionary_psychology
Warm-blooded animals with wings and feathers
being perhaps the most famous example of sexual selection and the Fisherian runaway. Commonly occurring sexual dimorphisms such as size and colour differences
Bird
Embryonic development of sex differences
Sexual differentiation is the process of development of the sex differences between males and females from an undifferentiated zygote. Sex differentiation
Sexual_differentiation
Postulate in biology
The sexy son hypothesis in evolutionary biology and sexual selection, proposed by Patrick J. Weatherhead and Raleigh J. Robertson of Queen's University
Sexy_son_hypothesis
Genus of brush-footed butterflies
continually evolve their colours to warn predators of their unpalatability. Sexual selection is important in maintaining aposematism, as it helps to select for
Heliconius
Family of dipteran insects with antennae located on eyestalks
of sexual selection and natural selection. Studies of the behavior of the Diopsidae have yielded important insights into the development of sexual ornamentation
Stalk-eyed_fly
Species of bird
puzzle, hard to explain through ordinary natural selection. His later explanation, sexual selection, is widely but not universally accepted. In the 20th
Indian_peafowl
Evolutionary process
food resources. Darwin's explanation of its advantage was in terms of sexual selection: "This depends on the advantage which certain individuals have over
Adaptation
Species of beetle
PMID 10802109. Vencl, F.V. (2004). "Allometry and proximate mechanisms of sexual selection in Photinus fireflies, and some other beetles". Integrative and Comparative
Photinus_pyralis
Field of sexual orientation research
between biology and sexual orientation is a subject of ongoing research. While scientists do not know the exact cause of sexual orientation, they theorize
Biology and sexual orientation
Biology_and_sexual_orientation
Characteristic of an animal
attract mates, which may lead to the evolutionary process known as sexual selection. An animal may shake, lengthen, or spread out its ornament in order
Biological_ornament
Hair on the human body during and after puberty
than that of leg hair removal. Terminal hair growth on arms is a secondary sexual characteristic in boys and appears in the last stages of puberty. Vellus
Body_hair
Paraphyletic group of birds
display patterns of sexual dimorphism. It is commonly believed that the dimorphisms found in raptors occur due to sexual selection or environmental factors
Bird_of_prey
American ecologist (born 1946)
and Oregon. She has more recently become known for her rejection of sexual selection, her theistic evolutionism, and her work on holobiont evolution. Roughgarden
Joan_Roughgarden
Honest signalling of an animal's defences
females; but because male birds are often brightly coloured through sexual selection, and their coloration is not correlated with edibility, it is unclear
Aposematism
Form of speciation from isolation
choice due to sexual selection or communication systems. Ecologically-driven reproductive isolation under divergent natural selection leads to the formation
Ecological_speciation
Mechanism for evolution
Mate choice is a major component of sexual selection, another being intrasexual selection. Ideas on sexual selection were first introduced in 1871, by Charles
Mate_choice
British physician, eugenicist, writer, and social reformer (1859–1939)
long ranges, still contributes to sexual attraction, and therefore, to mate selection. In his 1905 book, Sexual selection in man, Ellis makes a claim for
Havelock_Ellis
Pointed structures on the penile glans and/or shaft
keratinized penile spines along the glans or shaft, which may be involved in sexual selection. These spines have been described as being simple, single-pointed structures
Penile_spines
Skull projections found in deer
whereas an antler is used for sexual selection and competition. The principal means of evolution of antlers is sexual selection, which operates via two mechanisms:
Antler
Species of bird
Elizabeth S.C.; Safran, Rebecca J. (2014). "Geographic variation in sexual selection and implications for speciation in the Barn Swallow". Avian Research
Barn_swallow
Retaining juvenile features into adulthood
short arms. These neotenic changes may have been brought about by sexual selection in human evolution. In turn, they may have permitted the development
Neoteny
Social value from sexual attractiveness
Sexual capital, erotic capital, or sexual market value (SMV) is the social power an individual or group accrues as a result of their sexual attractiveness
Sexual_capital
SEXUAL SELECTION
SEXUAL SELECTION
Boy/Male
Muslim
Equal
Girl/Female
Gujarati, Hindu, Indian
Creative; Cool
Girl/Female
Tamil
Equal
Boy/Male
Biblical
Fox, path, first.
Boy/Male
American, Australian
God has Heard
Boy/Male
Hindu, Indian, Punjabi, Sikh
Cool; Pleasant Feeling
Girl/Female
British, English
Lord is Gracious
Biblical
fox; path; first
Boy/Male
Tamil
Equal
Boy/Male
Bengali, Hindu, Indian, Kannada, Marathi, Telugu
The Best
Girl/Female
Latin
Sensual pleasure.
Boy/Male
Indian, Kannada, Tamil
Perfect
Boy/Male
Hindi
Equal.
Boy/Male
Sikh
Cool
Girl/Female
Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Oriya, Sanskrit, Telugu
River Water; Pure Water; Pure Heart; Flowing Calm Water
Girl/Female
Hindu
River water, Pure flowing water
Female
Babylonian
, She that is quickened by Serua.
Boy/Male
Hindu
Equal
Boy/Male
English, Indian
Reason of All
Girl/Female
British, English
Force
SEXUAL SELECTION
SEXUAL SELECTION
Boy/Male
Arabic, Muslim
Supporter of Islam
Girl/Female
Tamil
Cloud
Boy/Male
Tamil
Smooth
Girl/Female
French American
From the island.
Boy/Male
British, English
From the Red Meadow
Boy/Male
Indian, Tamil
Lucky Boy
Surname or Lastname
English
English : variant of Sandford.
Boy/Male
Muslim/Islamic
Slave of the Guardian
Male
English
Brave
Boy/Male
Muslim/Islamic
Power
SEXUAL SELECTION
SEXUAL SELECTION
SEXUAL SELECTION
SEXUAL SELECTION
SEXUAL SELECTION
a.
Not sexual; not proper or peculiar to one of the sexes.
n.
Consequence; event; effect; result; as, let the sun cease, fail, or swerve, and the sequel would be ruin.
n.
Sexual love; sexual intercourse; coition.
a.
Pertaining to sexual desire; sensual.
mexcal.
Alt. of Mexical
v. t.
To make equal return to; to recompense fully.
a.
Having no visible sexual organs; asexual.
n.
Alternation of sexual and asexual or gemmiparous generations; -- in distinction from heterogamy.
adv.
In an asexual manner; without sexual agency.
n.
State of being equal; equality.
n.
That form of alternate generation in which two kinds of sexual generation, or a sexual and a parthenogenetic generation, alternate; -- in distinction from metagenesis, where sexual and asexual generations alternate.
a.
Sexless; asexual.
adv.
In a sexual manner or relation.
a.
Of, pertaining to, or contained in, the text; as, textual criticism; a textual reading.
v. i.
To affix one's seal, or a seal.
a.
Having no distinct sex; without sexual action; as, asexual reproduction. See Fission and Gemmation.
a.
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 from, or based upon, sex; as, sexual characteristics; sexual intercourse, connection, or commerce; sexual desire; sexual diseases; sexual generation.
n.
That which follows; a succeeding part; continuation; as, the sequel of a man's advantures or history.
a.
Not variable; equable; uniform; even; as, an equal movement.
v. t.
To make equal or equal to; to equalize; hence, to compare or regard as equals; to put on equality.