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Insects --- Sperm competition. --- Evolution. --- Reproduction.
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Promiscuity. --- Reproduction. --- Sexual selection in animals. --- Sperm competition.
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Over the past decade, there has been a vast amount of interest in the subject of human sperm competition. This volume brings together, in one place, a key set of classic and contemporary papers that have examined possible adaptations to sperm competition in humans. In addition to classic papers by Robin Baker & Mark Bellis, it includes later work by other researchers - some developing their ideas, some refuting their findings. As is to be expected in any comparatively new area of investigation, there are conflicting findings and unresolved issues. This, however, should encourage rather than discourage future research in this field. This collection of papers is essential reading for students of evolutionary biology, evolutionary psychology, human sexuality and researchers considering conducting work in this area.
Sperm Motility --- Spermatozoa --- Sexual Behavior --- Sperm competition --- Sex --- Compétition spermatique --- Sexualité --- physiology --- Collected Works. --- EPUB-LIV-FT SPRINGER-B LIVBIOLO
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Non-Invasive Sperm Selection for In Vitro Fertilization summarizes and discusses the relevant literature on the various advanced sperm selection methods used in modern Assisted Reproductive Technologies (ART). Chapters review some of the major unresolved issues in the field, the feasibility and success of the various sperm selection methods, their safety and the effects they have on sperm quality and ART outcomes. The book makes recommendations on clinical applications and future research, while helping to elucidate the benefits and promise of non-invasive sperm selection techniques. A distinguished team of scientists, embryologists, and urologists, with expertise in male infertility and ART, contributes to this original and valuable reference guide meant for academics, researchers, and professionals in the field of reproductive medicine who need an update on the current status of the study and practice of non-invasive sperm selection techniques.
Medicine & Public Health. --- Reproductive Medicine. --- Urology/Andrology. --- Medicine. --- Urology. --- Médecine --- Urologie --- Fertilization in vitro, Human. --- Human reproductive technology. --- Reproductive techniques, Assisted. --- Sperm competition. --- Fertilization in vitro, Human --- Sperm competition --- Germ Cells --- Reproductive Techniques, Assisted --- Reproductive Techniques --- Genitalia --- Therapeutics --- Urogenital System --- Anatomy --- Analytical, Diagnostic and Therapeutic Techniques and Equipment --- Fertilization in Vitro --- Spermatozoa --- Sperm Injections, Intracytoplasmic --- Sperm Retrieval --- Medicine --- Health & Biological Sciences --- Gynecology & Obstetrics --- Complications. --- Babies, Test tube --- Human fertilization in vitro --- Human in vitro fertilization --- Test tube babies --- Reproductive medicine. --- Conception --- Human reproductive technology --- Genitourinary organs --- Human reproduction --- Human reproductive health --- Human reproductive medicine --- Reproductive medicine --- Health --- Diseases --- Health aspects
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This book describes about 30 years of theoretical, empirical, and experimental work on butterfly sperm competition. It considers the reproductive morphology and sperm utilisation interests of males and females, which shape the mating tactics of each sex. Females of most butterfly species mate multiple times throughout their lives. The reasons are explored, as well as the numerous adaptations males have developed to prevent future mating and fertilisation by the sperm of other males. In particular, this volume focuses on the role of apyrene sperm. Eupyrene and apyrene sperm dimorphism is most likely a key factor in sperm competition, and the study in butterflies promotes understanding of sexual selection across animal species with sperm polymorphism. This book, describing the evolutionary causes and consequences of the sperm competition in butterflies, is a recommended read for students of behavioural ecology.
Ecology --- Earth & Environmental Sciences --- Sperm competition. --- Butterflies. --- Butterflies --- Breeding. --- Lepidoptera diurna --- Rhopalocera --- Inter-ejaculate competition --- Lepidoptera --- Competition (Biology) --- Sexual selection in animals --- Animal ecology. --- Entomology. --- Animal behavior. --- Animal Ecology. --- Behavioral Sciences. --- Animals --- Animals, Habits and behavior of --- Behavior, Animal --- Ethology --- Animal psychology --- Zoology --- Ethologists --- Psychology, Comparative --- Insects --- Behavior --- Behavioral sciences.
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Over the past decade, there has been a vast amount of interest in the subject of human sperm competition. This volume brings together, in one place, a key set of classic and contemporary papers that have examined possible adaptations to sperm competition in humans. In addition to classic papers by Robin Baker & Mark Bellis, it includes later work by other researchers – some developing their ideas, some refuting their findings. As is to be expected in any comparatively new area of investigation, there are conflicting findings and unresolved issues. This, however, should encourage rather than discourage future research in this field. This collection of papers is essential reading for students of evolutionary biology, evolutionary psychology, human sexuality and researchers considering conducting work in this area. .
Sperm competition. --- Inter-ejaculate competition --- Competition (Biology) --- Sexual selection in animals --- Evolution (Biology). --- Animal behavior. --- Ecology. --- Anthropology. --- Reproductive Medicine. --- Evolutionary Biology. --- Behavioral Sciences. --- Human reproduction --- Human reproductive health --- Human reproductive medicine --- Reproductive medicine --- Health --- Human beings --- Balance of nature --- Biology --- Bionomics --- Ecological processes --- Ecological science --- Ecological sciences --- Environment --- Environmental biology --- Oecology --- Environmental sciences --- Population biology --- Animals --- Animals, Habits and behavior of --- Behavior, Animal --- Ethology --- Animal psychology --- Zoology --- Ethologists --- Psychology, Comparative --- Animal evolution --- Biological evolution --- Darwinism --- Evolutionary biology --- Evolutionary science --- Origin of species --- Evolution --- Biological fitness --- Homoplasy --- Natural selection --- Phylogeny --- Health aspects --- Ecology --- Behavior --- Evolutionary biology. --- Behavioral sciences. --- Ecology . --- Reproductive medicine. --- Primitive societies --- Social sciences
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