"Reproduction" Essays and Research Papers

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    Paper #1: The role of anthropomorphism in Greek mythology. "God created man in his image‚ and man‚ being a gentleman‚ returned the compliment." -Mark Twain In his beginning‚ man was part of nature. He knew little about the causes of natural phenomenon and certainly knew of no way to control them. This is perhaps the reason for his creation of ritual and later religion. As man evolved he began to consider the possibilities of gaining some type of control over his environment. If nature

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    evolutionary history of short-term mating. Is short-term mating a way for females to narrow down the pool of potential reproductive candidates? Provide research in support of this theory. Then explain how female orgasm helps create better genetic reproduction. The female orgasm may provide some evidence in why women engage in short-term mating. Studies have shown that women are more likely to experience sexual orgasm with men who are masculine and physically attractive (Puts‚ Welling‚ Burriss‚ &

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    Sperm Essay

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    Sperm Cells Reproduction is the hallmark of life. All species reproduce to continue the survival of their kind. Though the process of reproduction varies slightly through mammals‚ the basic sex cells (gametes) are more or less the same. The male gamete is also known as the sperm cell‚ and the female the ovum. The process the sperm and ovum undergo to create life is both fascinating and detailed. The sperm is produced in the testes. This specialized cell develops through several stages. In the first

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    time‚ but lists of properties have been suggested to discern ‘the inert/non-living’ from ‘the living’ of which a an organism has to posses in order for it to be considered as a living being. These include self organization or movement‚ growth‚ reproduction‚ inheritance‚ feeding‚ excretion‚ sensitivity and adaptation. Moreover‚ the question of what life is takes us back to evolution‚ that is‚ for an organism to be considered living‚ it has to be part of the fossil record. Even so‚ there are living

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    manpower‚ over population will be one of cloning’s immediate disadvantages. Our limited resources may not be able to handle the demands of the society. We must also take into consideration that cloning is asexual reproduction. The biological benefits and social aspects of reproduction are skipped as we try to modify the genetic sequences of the clones to be immune against common and/or dangerous diseases. As a result‚ genetic variation is disregarded‚ which can lead to only one new epidemic to wipe

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    undeniably human and not some other species. . . It is also quite clear to us that the earliest human embryo is biologically alive. It fulfills the four criteria needed to establish biological life: metabolism‚ growth‚ reaction to stimuli‚ and reproduction.” He makes the argument very clear that when the sperm and egg fuse together‚ a new entity that is distinctly human becomes alive and an individual. He also discusses that the new human zygote has a genetic composition that is different from

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    Regulation of Reproductive Technology Within the past couple decades‚ Assisted Reproductive Technology (ART) has become a booming industry‚ especially with the success of In Vitro Fertilization (IVF) procedure. Millions of infertile couples have looked into ART as a way to have children. Since 1980‚ there have been over 140‚000 babies born in the United States using IVF procedure. Just recently‚ the world has been amazed by the case of Nadya Suleman’s octuplets. Is this a message to all women that

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    The system facilitates reproduction in human beings. Reproduction involves first of all sexual intercourse in which there is ejaculation of sperms‚ by the male‚ into the female’s reproductive tract. Ejaculation is in form of semen. Sperms travel to fertilize eggs in females. This results in fertilization leading to the development of the baby. Function of reproductive system in females is to produce eggs and to nourish developing offsprings. On the other hand‚ male reproductive system is to produce

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    The reproduction of the cats Cats are prolific breeders. Females take just 6 to 9 months to reach sexual maturity; but it is not unheard of for female kittens as young as 4 months to become pregnant. Males mature a bit later but both sexes can breed before they are a year old. Although female can become pregnant at any time of the year‚ there are specific mating seasons when cats become sexually active. In northern Europe it is usual for domestic female cats to come into heat (estrus cycle) in January

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    when and where an animal mates and how it selects a sexual partner” Contents * Introduction Page 3 * The Timing of Reproduction Page 4 * Migration Page 7 * Navigation Page 8 * The Diversity of Animal Migration Page 10 * The Migratory Journeys of Fish‚ Amphibians and Reptiles Page 12 * Types of Reproduction Page 14 * Mate Choice Page 16 * Sexual Selection Page 17 * Reference List Page 19 Introduction

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