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Degradation a - Thedivineconspiracy.org
... depiction of clergy in sexual acts. Whatever may be the status of the common person, the clergy must be held out as more godly. Sinning laypeople in the Decameron may be acceptable, but sinning priests and nuns were not. As humans start to find our place in nature, during the Enlightenment, we becam ...
... depiction of clergy in sexual acts. Whatever may be the status of the common person, the clergy must be held out as more godly. Sinning laypeople in the Decameron may be acceptable, but sinning priests and nuns were not. As humans start to find our place in nature, during the Enlightenment, we becam ...
Evolutionary mysteries in meiosis.
... proto-meiosis–endoreplication cycle evolved to switch between ploidy levels [5]. The resulting life cycle may have resembled modern ‘parasexual’ fungi in which diploid cells lose chromosomes in subsequent mitotic divisions, leading to haploidy via aneuploid intermediates [15]. Many other modern euka ...
... proto-meiosis–endoreplication cycle evolved to switch between ploidy levels [5]. The resulting life cycle may have resembled modern ‘parasexual’ fungi in which diploid cells lose chromosomes in subsequent mitotic divisions, leading to haploidy via aneuploid intermediates [15]. Many other modern euka ...
Female Genital Mutilation (FGM)
... societies, FGM is a ritual that indicates transition of the girl to womanhood and ultimately making her ready to undertake marriage. It is also motivated by ancient customs and beliefs about sexual behavior and virginity and chastity and approved by some religious mis beliefs and misconceptions! FGM ...
... societies, FGM is a ritual that indicates transition of the girl to womanhood and ultimately making her ready to undertake marriage. It is also motivated by ancient customs and beliefs about sexual behavior and virginity and chastity and approved by some religious mis beliefs and misconceptions! FGM ...
Intervention strategies suggested by the Nigerian segment of the
... 1992) confirmed that the majority of men's non-marital sexual relations were with women who were not regarded as prostitutes. It also showed that most adolescent girls have sexual relations with male partners of a similar age, but that some seek older well-off men as partners to help with the cost o ...
... 1992) confirmed that the majority of men's non-marital sexual relations were with women who were not regarded as prostitutes. It also showed that most adolescent girls have sexual relations with male partners of a similar age, but that some seek older well-off men as partners to help with the cost o ...
Guide to Grasshoppers and Bush-crickets
... the answer is really simple: because they are the most fascinating of insect groups due to their curious tendency to jump, fly and sing, not all at the same time however! However, my enthusiasm for grasshoppers and crickets has not been shared by naturalists through the ages. For example, the famous ...
... the answer is really simple: because they are the most fascinating of insect groups due to their curious tendency to jump, fly and sing, not all at the same time however! However, my enthusiasm for grasshoppers and crickets has not been shared by naturalists through the ages. For example, the famous ...
Absorbed Dose
... differentiation and the ultimate fate of each of these systems in male reproductive morphogenesis are largely characterized. The initial switch for these events appears to be the Y -chromosomal SRY gene (3,4). A gathering body of data supports the idea that lust as has been characterized for inverte ...
... differentiation and the ultimate fate of each of these systems in male reproductive morphogenesis are largely characterized. The initial switch for these events appears to be the Y -chromosomal SRY gene (3,4). A gathering body of data supports the idea that lust as has been characterized for inverte ...
Sexual Intercourse and Relationship Development
... intercourse with a partner on the development of the relationship: feelings of pressure/obligation to engage in intercourse, relationship quality as a sexual decision factor, and sexual satisfaction. Feelings of pressure and obligation to engage in sexual activity come from many directions. For exam ...
... intercourse with a partner on the development of the relationship: feelings of pressure/obligation to engage in intercourse, relationship quality as a sexual decision factor, and sexual satisfaction. Feelings of pressure and obligation to engage in sexual activity come from many directions. For exam ...
When Sex Is Painful
... You also may be asked about medications that you are taking, whether you have any medical conditions, and past events that may affect how you feel about sex, such as sexual abuse. A physical examination is useful in finding the cause of pain during sex. Your health care provider may gently touch sp ...
... You also may be asked about medications that you are taking, whether you have any medical conditions, and past events that may affect how you feel about sex, such as sexual abuse. A physical examination is useful in finding the cause of pain during sex. Your health care provider may gently touch sp ...
Sexuality and obsessive-compulsive disorder: the hidden affair
... sexuality and sexual functioning in 87 female OCD patients and 27 healthy subjects, controlling for the influence of medication and OCD subtypes [13] . Compared with controls, patients more frequently reported low or absent sexual desire (62 vs 26%), moderate to severe sexual disgust (26 vs 4%), dec ...
... sexuality and sexual functioning in 87 female OCD patients and 27 healthy subjects, controlling for the influence of medication and OCD subtypes [13] . Compared with controls, patients more frequently reported low or absent sexual desire (62 vs 26%), moderate to severe sexual disgust (26 vs 4%), dec ...
European hair and eye color A case of frequency
... algorithm types by intensifying its color stimuli until functional constraints intervene or until the cost of easier detection by predators exceeds the benefit of stronger sexual attraction (Endler, 1980; Endler, 1991). Under certain conditions, sexual selection may also diversify color traits withi ...
... algorithm types by intensifying its color stimuli until functional constraints intervene or until the cost of easier detection by predators exceeds the benefit of stronger sexual attraction (Endler, 1980; Endler, 1991). Under certain conditions, sexual selection may also diversify color traits withi ...
Local adaptation and the evolution of female choice
... GEIs for the evolution of female choice. They found that GEIs inhibited the evolution of mate choice when ample genetic variation for condition was maintained by a high mutation rate, because GEIs reduce the reliability of the male signal. However, when mutation rates were lower, such that direction ...
... GEIs for the evolution of female choice. They found that GEIs inhibited the evolution of mate choice when ample genetic variation for condition was maintained by a high mutation rate, because GEIs reduce the reliability of the male signal. However, when mutation rates were lower, such that direction ...
Costs of sexual traits: a mismatch between theoretical
... costs of sexual traits. In Fisherian models, costs become important late when the exaggeration of the sexual trait is so large that natural selection prevents any further enlargement. In these models, the only requirement for costs is that they must reduce survival irrespective of phenotypic conditi ...
... costs of sexual traits. In Fisherian models, costs become important late when the exaggeration of the sexual trait is so large that natural selection prevents any further enlargement. In these models, the only requirement for costs is that they must reduce survival irrespective of phenotypic conditi ...
Chapter 15 - McGraw Hill Higher Education
... In protostomes, the mouth develops from or near the blastopore The anus (if present) develops later from another region of the embryo In deuterostomes, the anus develops from or near the blastopore The mouth develops later from another region of the embryo Copyright ©The McGraw-Hill Companies, Inc. ...
... In protostomes, the mouth develops from or near the blastopore The anus (if present) develops later from another region of the embryo In deuterostomes, the anus develops from or near the blastopore The mouth develops later from another region of the embryo Copyright ©The McGraw-Hill Companies, Inc. ...
Genetic Correlations with Floral Display Lead to Sexual Dimorphism
... terms of size versus number, a male can make more pollen by making more flowers but not by making larger flowers, whereas a female can make more ovules by keeping flower size large. Consequently, sexual selection in S. latifolia is predicted to favor sexual dimorphism in flower display, with males p ...
... terms of size versus number, a male can make more pollen by making more flowers but not by making larger flowers, whereas a female can make more ovules by keeping flower size large. Consequently, sexual selection in S. latifolia is predicted to favor sexual dimorphism in flower display, with males p ...
Mate choice: From sexual cues to cognitive adaptations
... There’s more to analyzing mate choice than predicting sex differences Sex differences are easy to investigate because the contrast groups (males and females) come ready-made, predictions from sexual selection theory are often fairly simple, and results attract widespread media interest. But there’s ...
... There’s more to analyzing mate choice than predicting sex differences Sex differences are easy to investigate because the contrast groups (males and females) come ready-made, predictions from sexual selection theory are often fairly simple, and results attract widespread media interest. But there’s ...
A pluralist approach to sex and recombination
... Peck, 1996). Asexual females can potentially produce twice as many daughters as sexual females, so that the ratio of asexual to sexual females should initially double each generation, resulting in a `two-fold cost of sex'. In addition, recombination breaks up favourable gene combinations that have i ...
... Peck, 1996). Asexual females can potentially produce twice as many daughters as sexual females, so that the ratio of asexual to sexual females should initially double each generation, resulting in a `two-fold cost of sex'. In addition, recombination breaks up favourable gene combinations that have i ...
BY124 SI – Mock Exam II (Ch. 31-34) 1 1. Fungi: a. Are
... b. Have characteristically long bodies with both internal and external segmentation c. Have a mouth that is separate from the anus d. All of the above e. A and C only 47. Animals such as _____________ and the simplest to have _____________ a. Flatworms, body cavity b. Jellies complete digestive trac ...
... b. Have characteristically long bodies with both internal and external segmentation c. Have a mouth that is separate from the anus d. All of the above e. A and C only 47. Animals such as _____________ and the simplest to have _____________ a. Flatworms, body cavity b. Jellies complete digestive trac ...
Sexual Communication with Pheromones Ring T. Card6 and
... 356 Chemical Ecology of Insects sexual recruitment are the moths (Lepidoptera), many Coleoptera, Hymenoptera, Orthoptera, Diptera and Hornoptera. In these groups, females are predominantly the emitters and males the receivers. Hence, the reduction in spacing is due primarily to chemically mediated ...
... 356 Chemical Ecology of Insects sexual recruitment are the moths (Lepidoptera), many Coleoptera, Hymenoptera, Orthoptera, Diptera and Hornoptera. In these groups, females are predominantly the emitters and males the receivers. Hence, the reduction in spacing is due primarily to chemically mediated ...
Document
... body function very efficient lungs & air sacs four-chambered heart endotherms ...
... body function very efficient lungs & air sacs four-chambered heart endotherms ...
what determines sex roles in mate searching?
... in mind taxon-specific explanations, such as the need to avoid male–male competition caused by silent satellite frogs that join calling males (Lucas and Howard 1995), this alternative response to density has also led to a suggested general explanation of sex roles (Wickman and Rutowski 1999): males ...
... in mind taxon-specific explanations, such as the need to avoid male–male competition caused by silent satellite frogs that join calling males (Lucas and Howard 1995), this alternative response to density has also led to a suggested general explanation of sex roles (Wickman and Rutowski 1999): males ...
“JOINTED
... HERMIT CRABS •HAVE NO EXOSKELETON ON ABDOMEN •USE OLD SNAIL SHELLS TO PROTECT THE SOFT ABDOMEN •CHANGE SHELL AS SOFT ABDOMEN GROWS •MODIFIED LEGS HOLD THEM INSIDE SHELL ...
... HERMIT CRABS •HAVE NO EXOSKELETON ON ABDOMEN •USE OLD SNAIL SHELLS TO PROTECT THE SOFT ABDOMEN •CHANGE SHELL AS SOFT ABDOMEN GROWS •MODIFIED LEGS HOLD THEM INSIDE SHELL ...
lecture_19_Feb 26_nematodes1
... vertebrates, insects, and plants. As free-living organisms they are found in soil, fresh water and sea water. They have been isolated from high in the Andean mountains and swimming in hot springs. In short they are a highly successful group of organisms, second only to the insects. Despite their div ...
... vertebrates, insects, and plants. As free-living organisms they are found in soil, fresh water and sea water. They have been isolated from high in the Andean mountains and swimming in hot springs. In short they are a highly successful group of organisms, second only to the insects. Despite their div ...
Sexual reproduction
... cnidarians, flatworms, annelids and echinoderms): single parent give rise to offspring that are identical to the parent. ...
... cnidarians, flatworms, annelids and echinoderms): single parent give rise to offspring that are identical to the parent. ...
Femininity and Attitudes Towards Women Predict Attitudes Towards
... F (6, 241) = 2.92, p = .009, of premarital sex. • Post hoc analyses found that conservatives were less likely to be permissive of premarital sex. However, contrary to prediction, very conservative individuals were more likely to have had premarital sex. ...
... F (6, 241) = 2.92, p = .009, of premarital sex. • Post hoc analyses found that conservatives were less likely to be permissive of premarital sex. However, contrary to prediction, very conservative individuals were more likely to have had premarital sex. ...
Worms and Mollusks
... • Most flukes infect the internal organs of their host • Some are external parasites that live on the skin, mouth, gills of their host • Many have complicated life cycles that involve two or more animal hosts • They are usually less than a centimeter long • They cause serious pain to millions of hum ...
... • Most flukes infect the internal organs of their host • Some are external parasites that live on the skin, mouth, gills of their host • Many have complicated life cycles that involve two or more animal hosts • They are usually less than a centimeter long • They cause serious pain to millions of hum ...
Sexual reproduction
Sexual reproduction is a form of reproduction where two morphologically distinct types of specialized reproductive cells called gametes fuse together, involving a female's large ovum (or egg) and a male's smaller sperm. Each gamete contains half the number of chromosomes of normal cells. They are created by a specialized type of cell division, which only occurs in eukaryotic cells, known as meiosis. The two gametes fuse during fertilization to produce DNA replication and the creation of a single-celled zygote which includes genetic material from both gametes. In a process called genetic recombination, genetic material (DNA) joins up so that homologous chromosome sequences are aligned with each other, and this is followed by exchange of genetic information. Two rounds of cell division then produce four daughter cells with half the number of chromosomes from each original parent cell, and the same number of chromosomes as both parents, though self-fertilization can occur. For instance, in human reproduction each human cell contains 46 chromosomes, 23 pairs, except gamete cells, which only contain 23 chromosomes, so the child will have 23 chromosomes from each parent genetically recombined into 23 pairs. Cell division initiates the development of a new individual organism in multicellular organisms, including animals and plants, for the vast majority of whom this is the primary method of reproduction. A species is defined as a taxonomic rank. A species is often defined as the largest group of organisms where two hybrids are capable of reproducing fertile offspring, typically using sexual reproduction, although the species problem encompasses a series of difficult related questions that often come up when biologists define the word species. The evolution of sexual reproduction is a major puzzle because asexual reproduction should be able to outcompete it as every young organism created can bear its own young. This implies that an asexual population has an intrinsic capacity to grow more rapidly with each generation. This 50% cost is a fitness disadvantage of sexual reproduction. The two-fold cost of sex includes this cost and the fact that any organism can only pass on 50% of its own genes to its offspring. One definite advantage of sexual reproduction is that it prevents the accumulation of genetic mutations.Sexual selection is a mode of natural selection in which some individuals out-reproduce others of a population because they are better at securing mates for sexual reproduction. It has been described as ""a powerful evolutionary force that does not exist in asexual populations""Prokaryotes reproduce through asexual reproduction but may display processes similar to sexual reproduction (mechanisms for lateral gene transfer such as bacterial conjugation, transformation and transduction), but they do not lead to reproduction. In prokaryotes, the initial cell has additional or transformed genetic material.