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Support for Survivors Mini-Book - California Coalition Against
... we know that the “stranger in the bushes” isn’t the one who’s most likely to commit these acts. As we learn in the myths and facts section, assailants are most likely to be someone whom we know and trust. If we understand that people we know and trust are the ones who rape, then we must ask ourselve ...
... we know that the “stranger in the bushes” isn’t the one who’s most likely to commit these acts. As we learn in the myths and facts section, assailants are most likely to be someone whom we know and trust. If we understand that people we know and trust are the ones who rape, then we must ask ourselve ...
The Failure of Abstinence-Only Policies in America`s Public Schools
... inhumane, bestowing harmful gender and sexuality images on our children. Lastly, this study will examine possible alternatives to abstinence-only education, which can instill healthy ideas of gender and sexuality in students. The Problem: Measures of Sexual Risk Taking in Teens First, a closer exami ...
... inhumane, bestowing harmful gender and sexuality images on our children. Lastly, this study will examine possible alternatives to abstinence-only education, which can instill healthy ideas of gender and sexuality in students. The Problem: Measures of Sexual Risk Taking in Teens First, a closer exami ...
Charles Darwin (1809-82)
... well prepared to appreciate the struggle for existence which everywhere goes on from longcontinued observation of the habits of animals and plants, it at once struck me that under these circumstances favourable variations would tend to be preserved, and unfavourable ones to be destroyed. The result ...
... well prepared to appreciate the struggle for existence which everywhere goes on from longcontinued observation of the habits of animals and plants, it at once struck me that under these circumstances favourable variations would tend to be preserved, and unfavourable ones to be destroyed. The result ...
Sex-Related Euphemism and Dysphemism
... euphemism (i.e. the semantic or formal process by which the taboo is stripped of its most explicit or obscene overtones) or to dysphemism (i.e. the process whereby the most pejorative traits of the taboo are highlighted with an offensive aim to the addressee or to the concept itself). This ambivalen ...
... euphemism (i.e. the semantic or formal process by which the taboo is stripped of its most explicit or obscene overtones) or to dysphemism (i.e. the process whereby the most pejorative traits of the taboo are highlighted with an offensive aim to the addressee or to the concept itself). This ambivalen ...
The evolutionary ecology of clonally propagated domesticated plants
... seeds. Diverse parts, which may or not be the same as the consumed parts, have also been shaped to provide clonal propagules: stems, tubers, rhizomes, bulbs and corms, among others. This diversity of human-exerted selective pressures means that domestication encompasses an enormous range of adaptive ...
... seeds. Diverse parts, which may or not be the same as the consumed parts, have also been shaped to provide clonal propagules: stems, tubers, rhizomes, bulbs and corms, among others. This diversity of human-exerted selective pressures means that domestication encompasses an enormous range of adaptive ...
What-if history of science - Create and Use Your home.uchicago.edu
... Wallace did not exist might expand our historical imagination or help us contemplate what Darwin had to think through in the mid-1850s, but it might be more natural to say that we do not know what could have happened because there are too many unknown variables. Shifting the reception of Wallace’s l ...
... Wallace did not exist might expand our historical imagination or help us contemplate what Darwin had to think through in the mid-1850s, but it might be more natural to say that we do not know what could have happened because there are too many unknown variables. Shifting the reception of Wallace’s l ...
The naturalist view of Universal Darwinism - UvA-DARE
... The use of biological analogy is an important reason for the objections that have been raised against employing Darwinian principles in economic theory. It has been argued that whereas variation in biology is blind to the nature of selection, economic change is driven by intentionality and design, s ...
... The use of biological analogy is an important reason for the objections that have been raised against employing Darwinian principles in economic theory. It has been argued that whereas variation in biology is blind to the nature of selection, economic change is driven by intentionality and design, s ...
Reproductive isolation between two darter species is enhanced and
... Darters (Percidae: Etheostomatinae) are among the most diverse groups of freshwater fishes in North America, containing > 200 species as well as numerous sub-species and geographic races (Page, 1983). In Mendelson (2003), multiple reproductive isolating barriers and genetic distance were measured be ...
... Darters (Percidae: Etheostomatinae) are among the most diverse groups of freshwater fishes in North America, containing > 200 species as well as numerous sub-species and geographic races (Page, 1983). In Mendelson (2003), multiple reproductive isolating barriers and genetic distance were measured be ...
Why the Gene Will Not Return* Elisabeth A. Lloyd
... of selection must be overcome in order to generate the adequate geniclevel theory that they take as one of their “many, equally adequate, representations” (KSW 1990, 161). Debates over interactors, therefore, are not ‘pseudoproblems’, and this fact ultimately has fatal consequences for their claims ...
... of selection must be overcome in order to generate the adequate geniclevel theory that they take as one of their “many, equally adequate, representations” (KSW 1990, 161). Debates over interactors, therefore, are not ‘pseudoproblems’, and this fact ultimately has fatal consequences for their claims ...
Michael Ruse`s Design for Living
... Darwin as Romantic While on the Beagle voyage, Darwin read and reread Alexander von Humboldt’s Personal Narrative of Travels to the Equinoctial Regions of the New Continent, a multi-volume depiction of the travels of Humboldt and Aimé Bonpland during the years 1799–1804.11 The volumes exude the Roma ...
... Darwin as Romantic While on the Beagle voyage, Darwin read and reread Alexander von Humboldt’s Personal Narrative of Travels to the Equinoctial Regions of the New Continent, a multi-volume depiction of the travels of Humboldt and Aimé Bonpland during the years 1799–1804.11 The volumes exude the Roma ...
Chapter 26A - Behavior Analysis, Autism, Procrastination
... “Maybe not. But, like I said, I’m not a surgeon; I can’t give you a woman’s body. Also, I don’t think I can help you become happy as a woman in a man’s body, at least not in our society; and I’m afraid we aren’t going to change society fast enough to be of much comfort to you. But I do have some ide ...
... “Maybe not. But, like I said, I’m not a surgeon; I can’t give you a woman’s body. Also, I don’t think I can help you become happy as a woman in a man’s body, at least not in our society; and I’m afraid we aren’t going to change society fast enough to be of much comfort to you. But I do have some ide ...
Natural Selection: A Simple Model of Selection in a Variable
... Charles Darwin and Alfred Russel Wallace independently discovered the idea of evolution by natural selection. Their ideas were presented at the same scientific meeting in London in 1858. In the years since then, natural selection has become a very important concept in biology. It consists of three p ...
... Charles Darwin and Alfred Russel Wallace independently discovered the idea of evolution by natural selection. Their ideas were presented at the same scientific meeting in London in 1858. In the years since then, natural selection has become a very important concept in biology. It consists of three p ...
Chapter Seven: Shame and Intimacy
... rise to a distorted spirituality. The first way is by becoming a ‘workaholic’, and developing a spirituality which puts all the emphasis on work. Those who adopt this pattern want to prove to others, and to themselves, that they are worthwhile. They think they can do so by working excessively, and b ...
... rise to a distorted spirituality. The first way is by becoming a ‘workaholic’, and developing a spirituality which puts all the emphasis on work. Those who adopt this pattern want to prove to others, and to themselves, that they are worthwhile. They think they can do so by working excessively, and b ...
Testing the mate-choice hypothesis of the female orgasm
... In order to avoid bias in the evaluation of sexual partners, we recruited single women, as those in a relationship may feel obliged to rate their current partner more favourably than is strictly true. We therefore launched a screener survey to identify suitable participants to take part in the study ...
... In order to avoid bias in the evaluation of sexual partners, we recruited single women, as those in a relationship may feel obliged to rate their current partner more favourably than is strictly true. We therefore launched a screener survey to identify suitable participants to take part in the study ...
Distortion of symmetrical introgression in a hybrid zone
... Basten & Asmussen, 1997). The cytonuclear disequilibrium has four estimators, D, D1, D2 and D3, where positive D ¼ DA M indicates a positive association between nuclear alleles (A) and mtDNA (M) from the same parental species. D1 ¼ DAA M is the association between parental mtDNA and its homozygote ( ...
... Basten & Asmussen, 1997). The cytonuclear disequilibrium has four estimators, D, D1, D2 and D3, where positive D ¼ DA M indicates a positive association between nuclear alleles (A) and mtDNA (M) from the same parental species. D1 ¼ DAA M is the association between parental mtDNA and its homozygote ( ...
Predator-Prey
... defensive abilities among populations fits the predicted pattern for arms races between predator and prey. ...
... defensive abilities among populations fits the predicted pattern for arms races between predator and prey. ...
Symmetry and evolution: A genomic antagonism approach. In
... facultative use of romantic jealousy. 60 Indeed this is what Brown and Moore found, and it highlights the importance that if an organism is developing under genomic or environmental stress, they may employ alternative tactics to cope with the costs of high FA (i.e., ‘doing the best in a bad situatio ...
... facultative use of romantic jealousy. 60 Indeed this is what Brown and Moore found, and it highlights the importance that if an organism is developing under genomic or environmental stress, they may employ alternative tactics to cope with the costs of high FA (i.e., ‘doing the best in a bad situatio ...
Darwin Finches : Explaining coexistence with adaptive
... allopatric phase has resulted in two ecologically distinct types, one of the two populations will go extinct through competitive exclusion. Worse, even if the two populations are ecologically distinct, it theoretically depends on the nature of the resource competition whether they can coexist or not ...
... allopatric phase has resulted in two ecologically distinct types, one of the two populations will go extinct through competitive exclusion. Worse, even if the two populations are ecologically distinct, it theoretically depends on the nature of the resource competition whether they can coexist or not ...
The Bioelectrical Investigation of SEXUALITY and ANXIETY
... takes place and often excitation at climax is even more in tense than usual; nevertheless, there is an abiding sensation of not being satisfied or of having experienced inadequate relaxation, if any at all. In coitus condomatus, too, a mechanical discharge takes place, while gratification is greatl ...
... takes place and often excitation at climax is even more in tense than usual; nevertheless, there is an abiding sensation of not being satisfied or of having experienced inadequate relaxation, if any at all. In coitus condomatus, too, a mechanical discharge takes place, while gratification is greatl ...
1 Possible consequences of genes of major effect
... among different populations or closely related species (reviewed in Phillips and Arnold, 1999). These data make it difficult to completely dismiss the "many genes of small effect" type of genetic architecture assumed in classical quantitative genetics. However, an emerging body of theoretical and em ...
... among different populations or closely related species (reviewed in Phillips and Arnold, 1999). These data make it difficult to completely dismiss the "many genes of small effect" type of genetic architecture assumed in classical quantitative genetics. However, an emerging body of theoretical and em ...
Breeding systems, climate, and the evolution of migration in shorebirds
... time and energy available for migration and other nonbreeding behaviors. Therefore, natural selection favoring migratory behavior may influence breeding system evolution and vice versa. We used phylogenetic comparative methods to investigate relationships between migration distance and the wide dive ...
... time and energy available for migration and other nonbreeding behaviors. Therefore, natural selection favoring migratory behavior may influence breeding system evolution and vice versa. We used phylogenetic comparative methods to investigate relationships between migration distance and the wide dive ...
Sex Offenders, Sexuality, and Social Control
... little knowledge and understanding as to the nature and cause of sexual offending, the laws seeking to control the population of offenders will continue to be ineffective. Before turning to the creation of deviant sexuality, the sex crime panics, and societal response to this type of offending, it ...
... little knowledge and understanding as to the nature and cause of sexual offending, the laws seeking to control the population of offenders will continue to be ineffective. Before turning to the creation of deviant sexuality, the sex crime panics, and societal response to this type of offending, it ...
Slide 1 - University of Saskatchewan
... sex reversal, wood frog tadpoles were exposed to 1, 10, or 100 µg/L EE2 (nominal). Tadpoles were sampled at Gosner Stages 26, 30/31, 33/34, and 35/36 to determine the effects of EE2 on tadpoles that are undergoing sexual differentiation. The remaining tadpoles were grown until metamorphic climax or ...
... sex reversal, wood frog tadpoles were exposed to 1, 10, or 100 µg/L EE2 (nominal). Tadpoles were sampled at Gosner Stages 26, 30/31, 33/34, and 35/36 to determine the effects of EE2 on tadpoles that are undergoing sexual differentiation. The remaining tadpoles were grown until metamorphic climax or ...
How much do genetic covariances alter the rate of adaptation?
... Ultimately, the important quantity is not the genetic correlations per se but rather the amount of genetic variation in multivariate space in the direction of selection. Even if there is genetic variation in all n traits, this variation may be structured (as described by the co-variances) such that ...
... Ultimately, the important quantity is not the genetic correlations per se but rather the amount of genetic variation in multivariate space in the direction of selection. Even if there is genetic variation in all n traits, this variation may be structured (as described by the co-variances) such that ...
Sexual selection
![](https://commons.wikimedia.org/wiki/Special:FilePath/Paon_blanc_Madère_2008.jpg?width=300)
Sexual selection is a mode of natural selection where typically members of one gender choose mates of the other gender to mate with, called intersexual selection, and where females normally do the choosing, and competition between members of the same gender to sexually reproduce with members of the opposite sex, called intrasexual selection. These two forms of selection mean that some individuals have better reproductive success than others within a population either from being sexier or preferring sexier partners to produce offspring. For instance in the breeding season sexual selection in frogs occurs with the males first gathering at the water's edge and croaking. The females then arrive and choose the males with the deepest croaks and best territories. Generalizing, males benefit from frequent mating and monopolizing access to a group of fertile females. Females have a limited number of offspring they can have and they maximize the return on the energy they invest in reproduction.First articulated by Charles Darwin who described it as driving speciation and that many organisms had evolved features whose function was deleterious to their individual survival, and then developed by Ronald Fisher in the early 20th century. Sexual selection can lead typically males to extreme efforts to demonstrate their fitness to be chosen by females, producing secondary sexual characteristics, such as ornate bird tails like the peacock plumage, or the antlers of deer, or the manes of lions, caused by a positive feedback mechanism known as a Fisherian runaway, where the passing on of the desire for a trait in one sex is as important as having the trait in the other sex in producing the runaway effect. Although the sexy son hypothesis indicates that females would prefer male sons, Fisher's principle explains why the sex ratio is 1:1 almost without exception. Sexual selection is also found in plants and fungi.The maintenance of sexual reproduction in a highly competitive world has long been one of the major mysteries of biology given that asexual reproduction can reproduce much more quickly as 50% of offspring are not males, unable to produce offspring themselves. However, research published in 2015 indicates that sexual selection can explain the persistence of sexual reproduction.