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Sex in Advertising: A Closer Look - Paul Long Home Page
... II. The History of Sex in Advertising The use of sexual information in mediated promotional messages has maintained a foothold in the media since advertising’s beginning. Sex in advertising began when items such as wood carvings, posters, and signs that depicted attractive and scantily-clad women a ...
... II. The History of Sex in Advertising The use of sexual information in mediated promotional messages has maintained a foothold in the media since advertising’s beginning. Sex in advertising began when items such as wood carvings, posters, and signs that depicted attractive and scantily-clad women a ...
Correcting some common misrepresentations of evolution in
... For example, many texts and the vast majority of news reporters like to repeat the idea that an asteroid crashed into the Earth some 65 million years ago and destroyed the dinosaurs and a lot of other organisms. This is a complex idea, and parts of it could be wrong or right without destroying the g ...
... For example, many texts and the vast majority of news reporters like to repeat the idea that an asteroid crashed into the Earth some 65 million years ago and destroyed the dinosaurs and a lot of other organisms. This is a complex idea, and parts of it could be wrong or right without destroying the g ...
Flexbook ()
... Here’s how natural selection can keep a harmful allele in a gene pool: The allele (S) for sickle-cell anemia is a harmful autosomal recessive. It is caused by a mutation in the normal allele (A) for hemoglobin (a protein on red blood cells). Malaria is a deadly tropical disease. It is common in many ...
... Here’s how natural selection can keep a harmful allele in a gene pool: The allele (S) for sickle-cell anemia is a harmful autosomal recessive. It is caused by a mutation in the normal allele (A) for hemoglobin (a protein on red blood cells). Malaria is a deadly tropical disease. It is common in many ...
Polyandry as a mediator of sexual selection before and after mating
... Figure 1. Operational sex ratio (OSR) is a central concept for understanding variation in mating competition and sexual selection within and between species. OSR is the ratio (m : f ) or proportion (m/m þ f ) of males and females that are ready to mate in a population at any one time [4,9]. In many ...
... Figure 1. Operational sex ratio (OSR) is a central concept for understanding variation in mating competition and sexual selection within and between species. OSR is the ratio (m : f ) or proportion (m/m þ f ) of males and females that are ready to mate in a population at any one time [4,9]. In many ...
Genetic Variation Underlying Sexual Behavior and Reproduction
... in males. Females often appear to choose mates, however, suggesting genetic variation in males which is important to females. Evidence is reviewed on allelic substitutions, karyotypic variation, and especially the heritable variation of continuous traits involved in sexual behavior and reproduction. ...
... in males. Females often appear to choose mates, however, suggesting genetic variation in males which is important to females. Evidence is reviewed on allelic substitutions, karyotypic variation, and especially the heritable variation of continuous traits involved in sexual behavior and reproduction. ...
saes1ext_lect_outline_ch12
... Two or more species can put pressure on one another like a ratchet. As one characteristic rises to dominance in a species, other species affected by the characteristic will also ...
... Two or more species can put pressure on one another like a ratchet. As one characteristic rises to dominance in a species, other species affected by the characteristic will also ...
SEXUAL SELECTION AND THE DESCENT OF MAN 1871-1971
... than once or twice. As shown by genetic markers in the offspring, males showed an almost linear increase in reproductive success with increased copulations. (A corollary of this finding is that males tended not to mate with the same female twice.) Although these results were obtained in the laborato ...
... than once or twice. As shown by genetic markers in the offspring, males showed an almost linear increase in reproductive success with increased copulations. (A corollary of this finding is that males tended not to mate with the same female twice.) Although these results were obtained in the laborato ...
Parental Investment and Sexual Selection
... than once or twice. As shown by genetic markers in the offspring, males showed an almost linear increase in reproductive success with increased copulations. (A corollary of this finding is that males tended not to mate with the same female twice.) Although these results were obtained in the laborato ...
... than once or twice. As shown by genetic markers in the offspring, males showed an almost linear increase in reproductive success with increased copulations. (A corollary of this finding is that males tended not to mate with the same female twice.) Although these results were obtained in the laborato ...
Sexual Dysfunction Is Common in the Morbidly Obese Male and
... obesity is the mainstay of therapy. Although bariatric surgery certainly has risks, it has been shown to improve life expectancy, medical comorbidities, and quality of life. The national mortality rate after bariatric surgery is approximately 0.2%.24 Although 30% of the eligible obese population is ...
... obesity is the mainstay of therapy. Although bariatric surgery certainly has risks, it has been shown to improve life expectancy, medical comorbidities, and quality of life. The national mortality rate after bariatric surgery is approximately 0.2%.24 Although 30% of the eligible obese population is ...
EXAM 4-Spring 2005con respuestas.doc
... E) disruptive selection Answer: C 45) The organisms most likely to undergo sympatric speciation by polyploidy are A) mammals. B) insects. C) plants. D) protists. E) birds. Answer: C 46) When a species invades a new habitat and evolves rapidly into several new species to better exploit new resources ...
... E) disruptive selection Answer: C 45) The organisms most likely to undergo sympatric speciation by polyploidy are A) mammals. B) insects. C) plants. D) protists. E) birds. Answer: C 46) When a species invades a new habitat and evolves rapidly into several new species to better exploit new resources ...
review
... 33. Explain how geologic processes can fragment populations and lead to speciation. 34. Explain how sympatric speciation can occur, noting examples in plants and animals. 35. Explain why polyploidy is important to modern agriculture. Explain how modern wheat evolved. 36. Explain how hybrid zones are ...
... 33. Explain how geologic processes can fragment populations and lead to speciation. 34. Explain how sympatric speciation can occur, noting examples in plants and animals. 35. Explain why polyploidy is important to modern agriculture. Explain how modern wheat evolved. 36. Explain how hybrid zones are ...
The adaptionist program
... - well, we still have no insights into whether the markings and wavings evolved explicitly for mimicking jumping spiders, or whether both traits evolved for a different reason and then were “coopted” for this new function. - for example, what if some wing patterning and waving displays initially evo ...
... - well, we still have no insights into whether the markings and wavings evolved explicitly for mimicking jumping spiders, or whether both traits evolved for a different reason and then were “coopted” for this new function. - for example, what if some wing patterning and waving displays initially evo ...
Some Biological Problems With The Natural Selection Theory
... variations which cause evolution-temperature, the population of other animals, and the surrounding plant life, all of which have been fairly stable for eons-can result in only very limited degree and types of changes. The natural selection hypothesis also involves circular reasoning; an extant speci ...
... variations which cause evolution-temperature, the population of other animals, and the surrounding plant life, all of which have been fairly stable for eons-can result in only very limited degree and types of changes. The natural selection hypothesis also involves circular reasoning; an extant speci ...
Reproduction in Aspergillus fumigatus: sexuality
... genetic ‘hitchhiking’ and enables removal of deleterious genes [2,5]. The latter is a particular benefit over purely asexual species where mutations can accumulate and become fixed within populations (e.g. the concept of Muller’s ratchet) [3,5]. Indeed, it has been argued that the benefits of sex, e ...
... genetic ‘hitchhiking’ and enables removal of deleterious genes [2,5]. The latter is a particular benefit over purely asexual species where mutations can accumulate and become fixed within populations (e.g. the concept of Muller’s ratchet) [3,5]. Indeed, it has been argued that the benefits of sex, e ...
Descent with Modification – A Darwinian View of Life
... Other Observations about Evolution • 3. Artificial Selection - humans have modified other species over many generations by selecting and breeding individuals that possess desired traits ...
... Other Observations about Evolution • 3. Artificial Selection - humans have modified other species over many generations by selecting and breeding individuals that possess desired traits ...
Evolution
... resources to go around. This results in competition. Competition is the struggle among living things to get their needs for life. Young pine trees compete for light, water, and soil nutrients. Rabbits compete with other rabbits for food,l shelter, and mates. 4. Natural selection is always taking pla ...
... resources to go around. This results in competition. Competition is the struggle among living things to get their needs for life. Young pine trees compete for light, water, and soil nutrients. Rabbits compete with other rabbits for food,l shelter, and mates. 4. Natural selection is always taking pla ...
Charles Darwin-reserach-term1
... sailed in a ship called the Beagle. The Beagle was not a big ship, it was only about 28 metres long and had to be home to 74 people for the whole voyage. Darwin took with him a copy of the bible and books by Milton, Humboldt as well as a copy of Lyell's first volume on Principles Of Geology. He also ...
... sailed in a ship called the Beagle. The Beagle was not a big ship, it was only about 28 metres long and had to be home to 74 people for the whole voyage. Darwin took with him a copy of the bible and books by Milton, Humboldt as well as a copy of Lyell's first volume on Principles Of Geology. He also ...
Unit III Argumentative Essay
... the material, taken as a whole, must lack serious literary, artistic, political or scientific value” (“Obscene”). This classification brings up the question whether sexual content in music videos holds “artistic value”. Sexual display of the human body can be used in an artistic sense—such as twerki ...
... the material, taken as a whole, must lack serious literary, artistic, political or scientific value” (“Obscene”). This classification brings up the question whether sexual content in music videos holds “artistic value”. Sexual display of the human body can be used in an artistic sense—such as twerki ...
Bulletin of the World Health Organization
... that a lack of understanding of the magnitude or the characteristics of people affected can quickly lead to flawed conclusions and implications for prevention. Although international donor organizations and research institutes have become more engaged in research on sexual violence over the past dec ...
... that a lack of understanding of the magnitude or the characteristics of people affected can quickly lead to flawed conclusions and implications for prevention. Although international donor organizations and research institutes have become more engaged in research on sexual violence over the past dec ...
The Genetic Basis for Sex Differences in Human Behaviour: Role of
... XX embryo (Koopman et al. 1991), and that it has both the spatial and temporal expression consistent with its identity as the TDF (e.g. McLaren, 1998). The expression of SRY , in a normal male, stimulates the undifferentiated gonad, containing both Mullerian and Wolffian ducts, to develop into the t ...
... XX embryo (Koopman et al. 1991), and that it has both the spatial and temporal expression consistent with its identity as the TDF (e.g. McLaren, 1998). The expression of SRY , in a normal male, stimulates the undifferentiated gonad, containing both Mullerian and Wolffian ducts, to develop into the t ...
IOSR Journal Of Humanities And Social Science (IOSR-JHSS)
... abandoned several main factors that influence self disclosure. Gender, race, ethnic background, and even age could greatly influence findings and may contribute to the rate at which the onion is “shed”. Altman and Taylor [1973] while addressing the subject of adolescents‟ cybersex, also argued that ...
... abandoned several main factors that influence self disclosure. Gender, race, ethnic background, and even age could greatly influence findings and may contribute to the rate at which the onion is “shed”. Altman and Taylor [1973] while addressing the subject of adolescents‟ cybersex, also argued that ...
ppt - eweb.furman.edu
... P1: All populations have the capacity to ‘over-reproduce’ P2: Resources are finite C: There will be a “struggle for existence”… most offspring born will die before reaching reproductive age. P3: Organisms in a population vary, and some of this variation is heritable C2: As a result of this variation ...
... P1: All populations have the capacity to ‘over-reproduce’ P2: Resources are finite C: There will be a “struggle for existence”… most offspring born will die before reaching reproductive age. P3: Organisms in a population vary, and some of this variation is heritable C2: As a result of this variation ...
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... we ever hope to fully appreciate the extraordinary subtlety of this most important biological principle; for much of it has been handed down from Darwin without serious reflection or re-examination. 3 Since this paper is a philosophical consideration of the doctrine of natural selection, we must exa ...
... we ever hope to fully appreciate the extraordinary subtlety of this most important biological principle; for much of it has been handed down from Darwin without serious reflection or re-examination. 3 Since this paper is a philosophical consideration of the doctrine of natural selection, we must exa ...
A New Concept. Geodakian V. A. Russian J. of Genetics, 1998, v
... According to Darwin's theory, the evolution of a system follows environmental alteration and proceeds as a trial-and-error process. Hence, it is more advantageous to test part of a system rather than the whole. For this, the system should be divided into two parts: the first, more valuable part shou ...
... According to Darwin's theory, the evolution of a system follows environmental alteration and proceeds as a trial-and-error process. Hence, it is more advantageous to test part of a system rather than the whole. For this, the system should be divided into two parts: the first, more valuable part shou ...
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.