Sexual dimorphism of cranial suture complexity in wild sheep (Ovis
... sexual maturity. Complexity of each suture was then compared between adult male ( n = 9 ) and adult female ( n = 7 ) sheep (adults were classified as animals greater than four years old), again using l-tests (program BMDP3D). Because several t-tests were performed for each age group, a minimum signi ...
... sexual maturity. Complexity of each suture was then compared between adult male ( n = 9 ) and adult female ( n = 7 ) sheep (adults were classified as animals greater than four years old), again using l-tests (program BMDP3D). Because several t-tests were performed for each age group, a minimum signi ...
Offspring Sex Is Not Related to Maternal Allocation of Yolk Steroids
... (2) experimental application of either estradiol or fadrozole to such eggs strongly influences offspring sex. We obtained yolk by biopsy, before incubating the eggs at a temperature that produces a 50 : 50 sex ratio. Yolk steroid levels varied over a threefold range between eggs from different clutc ...
... (2) experimental application of either estradiol or fadrozole to such eggs strongly influences offspring sex. We obtained yolk by biopsy, before incubating the eggs at a temperature that produces a 50 : 50 sex ratio. Yolk steroid levels varied over a threefold range between eggs from different clutc ...
And Hast Thou Slain the Jabberwock? Response to Wallen
... adaptation–it must have a genetic basis, influence reproductive success, and so on–“are, in fact, requirements to show that natural selection is currently operating on a character, not to show that selection has shaped the character over the evolutionary history of the species” (Puts, 2006, p. 104). ...
... adaptation–it must have a genetic basis, influence reproductive success, and so on–“are, in fact, requirements to show that natural selection is currently operating on a character, not to show that selection has shaped the character over the evolutionary history of the species” (Puts, 2006, p. 104). ...
A Phallic Play: Examing 5th Century Cultural References
... Contemporary directors, actors, and audiences, often view Lysistrata as a sexual play that promotes peace. However, without a solid understanding of the meanings of Aristophanes’ references a modern production cannot duplicate the strength of Aristophanes’ argument. Because of its cultural reference ...
... Contemporary directors, actors, and audiences, often view Lysistrata as a sexual play that promotes peace. However, without a solid understanding of the meanings of Aristophanes’ references a modern production cannot duplicate the strength of Aristophanes’ argument. Because of its cultural reference ...
LTU-SHU-EX--05/118--SE
... Over the years advertising has increased considerably. Wells, Burnett and Moriarty (2000) claim that the first printed advertisement (hereafter referred to as ad) was constructed in a simple and informative way. After that, advertising has continued to develop into a complex multi-billion-dollar ind ...
... Over the years advertising has increased considerably. Wells, Burnett and Moriarty (2000) claim that the first printed advertisement (hereafter referred to as ad) was constructed in a simple and informative way. After that, advertising has continued to develop into a complex multi-billion-dollar ind ...
Laura Mulvey against the grain: a critical assessment of the
... at another person as an object of sexual stimulation. This is the scopophilic function of sexual instincts. The ego function is also apparent, and develops as the viewer seeks to identify with characters on the screen. A central component in Mulvey’s adoption of Freud’s psychoanalysis to film specta ...
... at another person as an object of sexual stimulation. This is the scopophilic function of sexual instincts. The ego function is also apparent, and develops as the viewer seeks to identify with characters on the screen. A central component in Mulvey’s adoption of Freud’s psychoanalysis to film specta ...
Finger length ratio (2D:4D) correlates with physical aggression in
... al., 2002b; Manning, 2002a). Index to ring finger, or 2D:4D is the most strongly dimorphic of all human digit ratio combinations (McFadden and Shubel, 2002). Variation in finger length ratio is thought to reflect the influence of prenatal testosterone during development (Manning, 2002a; Manning et a ...
... al., 2002b; Manning, 2002a). Index to ring finger, or 2D:4D is the most strongly dimorphic of all human digit ratio combinations (McFadden and Shubel, 2002). Variation in finger length ratio is thought to reflect the influence of prenatal testosterone during development (Manning, 2002a; Manning et a ...
Sexual Imprinting and Evolutionary Processes in Birds: A
... as did others after him, that females relied on a more crude, “innate,” preference for conspecifics; that is, a preference for species-specificcharacteristics for the development of which no experience with these characteristics was required (Schutz, 1965,1971). Here again, imprinting was seen as an ...
... as did others after him, that females relied on a more crude, “innate,” preference for conspecifics; that is, a preference for species-specificcharacteristics for the development of which no experience with these characteristics was required (Schutz, 1965,1971). Here again, imprinting was seen as an ...
GENDER DIFFERENCES IN ATTITUDES AND BEHAVIORS
... a closer analysis of adolescent behavior, it must be remembered that there is little distinction between primary and secondary partners during this developmental stage (Catania et al., 1989). Herbert, Bernard, Demann, and Farrar (1988) found that adolescents who reported having multiple partners wer ...
... a closer analysis of adolescent behavior, it must be remembered that there is little distinction between primary and secondary partners during this developmental stage (Catania et al., 1989). Herbert, Bernard, Demann, and Farrar (1988) found that adolescents who reported having multiple partners wer ...
The Role of Body Surveillance, Body Shame, and Body Self
... 2004; Davison & McCabe, 2005). Second, although extant findings underscore an association between body image and sexual experience, few studies have examined the exact mechanisms that link body image to sexual difficulties. One hypothesized phenomenon that may link body image to disrupted sexual fun ...
... 2004; Davison & McCabe, 2005). Second, although extant findings underscore an association between body image and sexual experience, few studies have examined the exact mechanisms that link body image to sexual difficulties. One hypothesized phenomenon that may link body image to disrupted sexual fun ...
What do isogamous organisms teach us about sex and the two sexes?
... gametes have not yet become the sole resource provider. In some algae, the size difference between male and female gametes relates to the number of cell divisions of the mother cell, which may differ by only one division [46,47]. With many other species, gametes in a strict sense do not exist at all ...
... gametes have not yet become the sole resource provider. In some algae, the size difference between male and female gametes relates to the number of cell divisions of the mother cell, which may differ by only one division [46,47]. With many other species, gametes in a strict sense do not exist at all ...
What do isogamous organisms teach us about sex and
... gametes have not yet become the sole resource provider. In some algae, the size difference between male and female gametes relates to the number of cell divisions of the mother cell, which may differ by only one division [46,47]. With many other species, gametes in a strict sense do not exist at all ...
... gametes have not yet become the sole resource provider. In some algae, the size difference between male and female gametes relates to the number of cell divisions of the mother cell, which may differ by only one division [46,47]. With many other species, gametes in a strict sense do not exist at all ...
Pitfalls in understanding the functional significance of genital allometry
... word ‘negative’ here to indicate comparatively low slopes (compared with other body traits), and not an allometric slope < 1.00 as has usually been the case. The ‘one-sizefits-all’ hypothesis (Eberhard et al., 1998) attempted to explain the adaptive significance of this pattern of low allometric slo ...
... word ‘negative’ here to indicate comparatively low slopes (compared with other body traits), and not an allometric slope < 1.00 as has usually been the case. The ‘one-sizefits-all’ hypothesis (Eberhard et al., 1998) attempted to explain the adaptive significance of this pattern of low allometric slo ...
Genital Piercings: Diagnostic and Therapeutic Implications for
... different types of GP and the variety of heavy genital jewelry.7 Types of Genital Piercings. Figure 1 provides anatomical illustrations of the common types of GP worn by men2 and women,11 yet the urologist should be forewarned that creativity is not unusual. For men, the penis is the usual location ...
... different types of GP and the variety of heavy genital jewelry.7 Types of Genital Piercings. Figure 1 provides anatomical illustrations of the common types of GP worn by men2 and women,11 yet the urologist should be forewarned that creativity is not unusual. For men, the penis is the usual location ...
Vaginal Orgasm Is Related to Better Mental Health and Is Relevant
... As noted [20], like male orgasm (as opposed to ejaculation), female orgasm is not necessary for reproduction. Hence, genetic liability to impairment in vaginal orgasm could exist in the gene pool but be associated with dysfunctions at other levels. Given that vaginal orgasm is robustly linked to ind ...
... As noted [20], like male orgasm (as opposed to ejaculation), female orgasm is not necessary for reproduction. Hence, genetic liability to impairment in vaginal orgasm could exist in the gene pool but be associated with dysfunctions at other levels. Given that vaginal orgasm is robustly linked to ind ...
the quantitative genetics and coevolution of male and female
... There were relatively few significant phenotypic and genetic correlations among male traits (Table 3a). The only significant genetic correlations were a negative correlation between the length of long sperm and wing length, a positive correlation between length of short sperm and wing length, and a ...
... There were relatively few significant phenotypic and genetic correlations among male traits (Table 3a). The only significant genetic correlations were a negative correlation between the length of long sperm and wing length, a positive correlation between length of short sperm and wing length, and a ...
sex differences in the topics of bathroom graffiti
... Although past research on graffiti has been informative, there is a lack of systematic study on the topic, particularly as it applies to Canadian bathrooms. Moreover, most accounts we located were descriptive or sociological, which limits any deeper understanding about why individuals write about ce ...
... Although past research on graffiti has been informative, there is a lack of systematic study on the topic, particularly as it applies to Canadian bathrooms. Moreover, most accounts we located were descriptive or sociological, which limits any deeper understanding about why individuals write about ce ...
THE LANDEKIRKPATRICK MECHANISM IS THE NULL MODEL OF
... are defined as natural selection on preference. Recently, however, several authors have redefined sexual selection as any selection arising as a result of variation in both the number and quality of mates (e.g., Fuller et al. 2005; Kokko et al. 2006). Thus, this framework redefines most additional s ...
... are defined as natural selection on preference. Recently, however, several authors have redefined sexual selection as any selection arising as a result of variation in both the number and quality of mates (e.g., Fuller et al. 2005; Kokko et al. 2006). Thus, this framework redefines most additional s ...
Convergent song preferences between female
... the natural range of variation for male calling song; chirp rates vary between 0.83 and 4.65 chirps/s, while chirp durations vary between 0.086 and 0.211 s (Wagner WE, unpublished data). The stimuli were constructed by digitizing a male chirp using a Macintosh Ilci computer, a MacRecorder sound digi ...
... the natural range of variation for male calling song; chirp rates vary between 0.83 and 4.65 chirps/s, while chirp durations vary between 0.086 and 0.211 s (Wagner WE, unpublished data). The stimuli were constructed by digitizing a male chirp using a Macintosh Ilci computer, a MacRecorder sound digi ...
Why Women Have Orgasms: An Evolutionary Analysis | SpringerLink
... Lapwood, & Corson, 1995), so that female moose, elk, and whitetail deer, whose testosterone levels are low, do not grow antlers. But such disruption by sex hormones or other mechanisms is often imperfect, resulting in correlated phenotypic expression between the sexes. In other words, because the se ...
... Lapwood, & Corson, 1995), so that female moose, elk, and whitetail deer, whose testosterone levels are low, do not grow antlers. But such disruption by sex hormones or other mechanisms is often imperfect, resulting in correlated phenotypic expression between the sexes. In other words, because the se ...
Why Women Have Orgasms: An Evolutionary Analysis
... Lapwood, & Corson, 1995), so that female moose, elk, and whitetail deer, whose testosterone levels are low, do not grow antlers. But such disruption by sex hormones or other mechanisms is often imperfect, resulting in correlated phenotypic expression between the sexes. In other words, because the se ...
... Lapwood, & Corson, 1995), so that female moose, elk, and whitetail deer, whose testosterone levels are low, do not grow antlers. But such disruption by sex hormones or other mechanisms is often imperfect, resulting in correlated phenotypic expression between the sexes. In other words, because the se ...
A Giselle for Our Time: Mats Ek`s Post
... period he produced many original works for the company. Ek’s Giselle was premiered in 1982 by the Cullberg Ballet, and although it was not his first choreographic venture that drew inspiration from previous artistic material (his Bernardas Hus from 1978 is based upon Federico García Lorca’s play “Th ...
... period he produced many original works for the company. Ek’s Giselle was premiered in 1982 by the Cullberg Ballet, and although it was not his first choreographic venture that drew inspiration from previous artistic material (his Bernardas Hus from 1978 is based upon Federico García Lorca’s play “Th ...
Liang, O`Halloran and Tan Metaphor and Symbol
... representations featured in seven sex education picture books for pre-school children in Mainland China. Furthermore, this exploratory study also focuses on the ways realities are construed, conceptualised and categorised by metaphorical representations so as to investigate how the socially sensitiv ...
... representations featured in seven sex education picture books for pre-school children in Mainland China. Furthermore, this exploratory study also focuses on the ways realities are construed, conceptualised and categorised by metaphorical representations so as to investigate how the socially sensitiv ...
effects of natural and sexual selection on adaptive population
... generic C. virgo, which has entirely black wings (Tynkkynen et al. 2004). This is partly a result of interspecific antagonistic male-male interactions in sympatry: here small-patched C. splendens males are favored because they are attacked less frequently by C. virgo males (Tynkkynen et al. 2004, 20 ...
... generic C. virgo, which has entirely black wings (Tynkkynen et al. 2004). This is partly a result of interspecific antagonistic male-male interactions in sympatry: here small-patched C. splendens males are favored because they are attacked less frequently by C. virgo males (Tynkkynen et al. 2004, 20 ...
Sex-specific growth and effects of hatching condition in the reversed
... exhibited a comparable degree of size dimorphism as is found in adults, although neither sex had reached final adult size. Despite females reaching larger asymptotic values, timing of growth was not different between the sexes. However, we found a sex-specific effect of hatching condition: improved ...
... exhibited a comparable degree of size dimorphism as is found in adults, although neither sex had reached final adult size. Despite females reaching larger asymptotic values, timing of growth was not different between the sexes. However, we found a sex-specific effect of hatching condition: improved ...