![Week/Stahlke #2 - Washington State University](http://s1.studyres.com/store/data/001731792_1-2a4bee0ea48bd4066ee031d9d1aad402-300x300.png)
Week/Stahlke #2 - Washington State University
... rapid changes in G for three life history traits under various environmental conditions (Doroszuk et al., 2008). However, life history traits are likely to be subject to more pronounced nonadditive genetic effects compared with morphological traits (Roff, 2000; Doroszuk et al., 2008) and are also li ...
... rapid changes in G for three life history traits under various environmental conditions (Doroszuk et al., 2008). However, life history traits are likely to be subject to more pronounced nonadditive genetic effects compared with morphological traits (Roff, 2000; Doroszuk et al., 2008) and are also li ...
Darwinian Enchantment
... force . . . every kind of adapted structure into the gaps . . . in the oeconomy of Nature, or rather forming gaps by thrusting out weaker ones.” Immediately, though, he sought to understand the event in teleological terms, terms of the sort that Whewell had thought endemic to biological understandin ...
... force . . . every kind of adapted structure into the gaps . . . in the oeconomy of Nature, or rather forming gaps by thrusting out weaker ones.” Immediately, though, he sought to understand the event in teleological terms, terms of the sort that Whewell had thought endemic to biological understandin ...
Drift, not selection, shapes toll-like receptor variation among oceanic
... the immune system are of particular interest, not least because of their obvious importance for individual and population survival (reviewed in Sommer 2005; Acevedo-Whitehouse & Cunningham 2006), but also because they are expected to be under strong and direct selection from pathogens (Trowsdale & P ...
... the immune system are of particular interest, not least because of their obvious importance for individual and population survival (reviewed in Sommer 2005; Acevedo-Whitehouse & Cunningham 2006), but also because they are expected to be under strong and direct selection from pathogens (Trowsdale & P ...
- TRAP@NCI - National College of Ireland
... The aim of this research is to examine the influence companies use of sexual appeals in their advertising has on young adult females in Dublin. For the purposes of this study, young adult females will be defined as women between the age of eighteen and twentyfive. The reason Dublin has been chosen a ...
... The aim of this research is to examine the influence companies use of sexual appeals in their advertising has on young adult females in Dublin. For the purposes of this study, young adult females will be defined as women between the age of eighteen and twentyfive. The reason Dublin has been chosen a ...
morphometric evaluation of foramen magnum for sex
... predominance of males over females. According to (33) this difference is related to the fact that the main neurovascular bundle such as the cervical spinal cord, vertebral arteries before and after, nerves and meninges pass through the skull base. Thus, the area of foramen magnum is larger in males ...
... predominance of males over females. According to (33) this difference is related to the fact that the main neurovascular bundle such as the cervical spinal cord, vertebral arteries before and after, nerves and meninges pass through the skull base. Thus, the area of foramen magnum is larger in males ...
PTSD and Sexual Dysfunction in Men and Women
... positively valenced sexual arousal and activity is already overactive in PTSD, but leads to anxiety, fear, and other PTSD symptoms. The pairing of physiological arousal with fear or horror may override healthy sexual functioning, so that arousal signals impending threat rather than pleasure. If the ...
... positively valenced sexual arousal and activity is already overactive in PTSD, but leads to anxiety, fear, and other PTSD symptoms. The pairing of physiological arousal with fear or horror may override healthy sexual functioning, so that arousal signals impending threat rather than pleasure. If the ...
PPT - 1 - Brief biography of Charles Darwin
... with modification” but the modern term is “evolution.” All organisms – animals, plants, fungi, all organisms – are descended from a remote common ancestor. The main (but not only) driving force for evolutionary change is natural selection, the survival of certain traits because they better adapt the ...
... with modification” but the modern term is “evolution.” All organisms – animals, plants, fungi, all organisms – are descended from a remote common ancestor. The main (but not only) driving force for evolutionary change is natural selection, the survival of certain traits because they better adapt the ...
Sex in advertising: how it influences young men and women
... Sexual information, whether in the form of pictures, sounds or stories, has been shown to stir up predictable range of emotional responses within viewers (Heckler et. al, 2001). The authors’ further state that sexual appeals can roughly be defined as messages, whether as brand information in adverti ...
... Sexual information, whether in the form of pictures, sounds or stories, has been shown to stir up predictable range of emotional responses within viewers (Heckler et. al, 2001). The authors’ further state that sexual appeals can roughly be defined as messages, whether as brand information in adverti ...
Engaging in the Hookup Culture: A Self
... understand hookup culture. Specifically, it is expected that a high level of self-discrepancy (either in actual-ideal or actual-ought discrepancies) will predict hookup culture participation. Particularly, since a low actual-ideal discrepancy (AI) is typically associated with increased selfesteem, i ...
... understand hookup culture. Specifically, it is expected that a high level of self-discrepancy (either in actual-ideal or actual-ought discrepancies) will predict hookup culture participation. Particularly, since a low actual-ideal discrepancy (AI) is typically associated with increased selfesteem, i ...
The Multipredator Hypothesis and the Evolutionary Persistence of
... antipredator behavior can influence the phenotypic response to isolation from predators (Blumstein 2002). Specifically, relatively hard-wired traits will have evolutionary responses, while relatively experience-dependent traits will have an immediate response to the loss of experience with predators ...
... antipredator behavior can influence the phenotypic response to isolation from predators (Blumstein 2002). Specifically, relatively hard-wired traits will have evolutionary responses, while relatively experience-dependent traits will have an immediate response to the loss of experience with predators ...
Standing Against Sexual Harassment
... problem. Women are often reluctant to complain, especially if they are working in a male-dominated industry. Example 3: One male supervisor always makes a point of rubbing up against Mary when he walks past her. He always says, “Excuse me,” but the look on his face indicates that it’s no accident. M ...
... problem. Women are often reluctant to complain, especially if they are working in a male-dominated industry. Example 3: One male supervisor always makes a point of rubbing up against Mary when he walks past her. He always says, “Excuse me,” but the look on his face indicates that it’s no accident. M ...
Evolutionary Psychology
... the logic of evolutionary psychology; and some from reasonable scientific concerns about its underlying framework. This article identifies some of the most common concerns and attempts to elucidate evolutionary psychology’s stance pertaining to them. These include issues of testability and falsifiab ...
... the logic of evolutionary psychology; and some from reasonable scientific concerns about its underlying framework. This article identifies some of the most common concerns and attempts to elucidate evolutionary psychology’s stance pertaining to them. These include issues of testability and falsifiab ...
Ch.13 Textbook PowerPoint
... applications of the same pesticide will be less effective, and the frequency of resistant insects in the population will grow ...
... applications of the same pesticide will be less effective, and the frequency of resistant insects in the population will grow ...
Lecture V: Natural Selection & Adaptations
... arose that resulted in the formation of a simple lens providing a blurry image. D. Seeing even a blurred image is an advantage over seeing no image at all. ...
... arose that resulted in the formation of a simple lens providing a blurry image. D. Seeing even a blurred image is an advantage over seeing no image at all. ...
Topic 13-Evolution & Darwin`s Theory
... applications of the same pesticide will be less effective, and the frequency of resistant insects in the population will grow ...
... applications of the same pesticide will be less effective, and the frequency of resistant insects in the population will grow ...
Intimate Partner Sexual Abuse - Oklahoma Coalition Against
... [co-facilitator] after group, we can give you some names and phone numbers of good people to talk to about having been sexually abused. Other guys have found that useful. For now, though, I don’t want to lose track of what the group was doing...so let’s keep moving with what we were working on befor ...
... [co-facilitator] after group, we can give you some names and phone numbers of good people to talk to about having been sexually abused. Other guys have found that useful. For now, though, I don’t want to lose track of what the group was doing...so let’s keep moving with what we were working on befor ...
Fulltext PDF - Indian Academy of Sciences
... determining whether some newfound trait contributes to the emergence of Darwinian individuality and whether, therefore, a component of selection can be attributed to some evolutionary process taking place at the collective-level. One approach is to draw upon the Price equation (Price 1970, 1972, 199 ...
... determining whether some newfound trait contributes to the emergence of Darwinian individuality and whether, therefore, a component of selection can be attributed to some evolutionary process taking place at the collective-level. One approach is to draw upon the Price equation (Price 1970, 1972, 199 ...
EvoDevo and niche construction: building bridges
... Second, even if it were the case that the development were strictly under genetic control, it still need not follow that development be regarded as evolutionarily inconsequential. In many cases the ‘‘controlling genes’’ may themselves have been selected as a result of development-induced changes in ...
... Second, even if it were the case that the development were strictly under genetic control, it still need not follow that development be regarded as evolutionarily inconsequential. In many cases the ‘‘controlling genes’’ may themselves have been selected as a result of development-induced changes in ...
Darwin`s Diagram of Divergence of Taxa as a Causal Model for the
... ulation and Conclusion) he refers to the “theory of descent with modification through natural selection” (p. 459), which implies that his was a unified theory that combined common descent and natural selection. This idea is consistent with one of the passages in which Darwin describes the two great ...
... ulation and Conclusion) he refers to the “theory of descent with modification through natural selection” (p. 459), which implies that his was a unified theory that combined common descent and natural selection. This idea is consistent with one of the passages in which Darwin describes the two great ...
Convergent song preferences between female
... (Gryilus lineaticeps), males are attacked by parasitoid tachinid flies (Ormia ochracea) that locate males through their calls. Female flies larviposit on crickets and the larvae burrow into and feed on the cricket, killing the cricket upon emergence. To determine whether traits preferred by females ...
... (Gryilus lineaticeps), males are attacked by parasitoid tachinid flies (Ormia ochracea) that locate males through their calls. Female flies larviposit on crickets and the larvae burrow into and feed on the cricket, killing the cricket upon emergence. To determine whether traits preferred by females ...
Charles Darwin, His Life and Times Charles Darwin was born on
... Russell Wallace, containing a short paper on the origin of new species by natural selection. Darwin said it was as if Wallace had his 1844 essay for review. He was ready to give Wallace credit for the entire subject until his friends convinced him to write his own paper on the subject and have it re ...
... Russell Wallace, containing a short paper on the origin of new species by natural selection. Darwin said it was as if Wallace had his 1844 essay for review. He was ready to give Wallace credit for the entire subject until his friends convinced him to write his own paper on the subject and have it re ...
Experimental Evolution and Its Role in
... new insights and questions. But evolution- different organizational levels. Because of ary physiology is not technologically driven the necessity of incorporating a more disin this manner. What is novel about this ap- tantly related "out group" into any comproach is not the type of characters exam- ...
... new insights and questions. But evolution- different organizational levels. Because of ary physiology is not technologically driven the necessity of incorporating a more disin this manner. What is novel about this ap- tantly related "out group" into any comproach is not the type of characters exam- ...
Name: Date: Period: ______ Natural Selection Predator VS. Prey
... It should be obvious that, given these conditions, the traits of successful individuals will gradually become more common in the population. In effect, the environment "selects" some traits over others. Darwin called this process natural selection. In this simulation you will look at the evolution o ...
... It should be obvious that, given these conditions, the traits of successful individuals will gradually become more common in the population. In effect, the environment "selects" some traits over others. Darwin called this process natural selection. In this simulation you will look at the evolution o ...
The Evolutionary Biology of Decision Making
... will aid the study of decision making in both humans and nonhuman animals. The evolutionary focus on selection pressures highlights the goals of decisions and the conditions under which different selection processes likely influence decision making. An evolutionary view also suggests that fully rati ...
... will aid the study of decision making in both humans and nonhuman animals. The evolutionary focus on selection pressures highlights the goals of decisions and the conditions under which different selection processes likely influence decision making. An evolutionary view also suggests that fully rati ...
Coleridge`s Representation of Sexuality
... Students of English literature, in West Bengal at least, are introduced to Romanticism very early in their academic calendar, and while explaining the features of Romanticism, the concerned teacher never fails to highlight Walter Pater’s famous characterization of Romanticism as the "addition of str ...
... Students of English literature, in West Bengal at least, are introduced to Romanticism very early in their academic calendar, and while explaining the features of Romanticism, the concerned teacher never fails to highlight Walter Pater’s famous characterization of Romanticism as the "addition of str ...
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.