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Author : Richard E. Blackwelder
Publisher : CRC Press
Page : 272 pages
File Size : 49,9 Mb
Release : 2018-01-31
Category : Medical
ISBN : 9781351088381
This book is primarily a monograph of the reproductive diversity among animals, including protozoans. This diversity is listed for each group in Chapter 6; it is cross-listed by process in chapter 7.
Author : Richard E. Blackwelder
Publisher : CRC Press
Page : 151 pages
File Size : 44,7 Mb
Release : 2018-01-31
Category : Medical
ISBN : 9781351079938
This book is primarily a monograph of the reproductive diversity among animals, including protozoans. This diversity is listed for each group in Chapter 6; it is cross-listed by process in chapter 7.
Author : Samantha Fowler,Rebecca Roush,James Wise
Publisher : Unknown
Page : 618 pages
File Size : 51,9 Mb
Release : 2018-01-07
Category : Science
ISBN : 9888407457
Concepts of Biology is designed for the single-semester introduction to biology course for non-science majors, which for many students is their only college-level science course. As such, this course represents an important opportunity for students to develop the necessary knowledge, tools, and skills to make informed decisions as they continue with their lives. Rather than being mired down with facts and vocabulary, the typical non-science major student needs information presented in a way that is easy to read and understand. Even more importantly, the content should be meaningful. Students do much better when they understand why biology is relevant to their everyday lives. For these reasons, Concepts of Biology is grounded on an evolutionary basis and includes exciting features that highlight careers in the biological sciences and everyday applications of the concepts at hand.We also strive to show the interconnectedness of topics within this extremely broad discipline. In order to meet the needs of today's instructors and students, we maintain the overall organization and coverage found in most syllabi for this course. A strength of Concepts of Biology is that instructors can customize the book, adapting it to the approach that works best in their classroom. Concepts of Biology also includes an innovative art program that incorporates critical thinking and clicker questions to help students understand--and apply--key concepts.
Author : Kazuya Kobayashi,Takeshi Kitano,Yasuhiro Iwao,Mariko Kondo
Publisher : Springer
Page : 790 pages
File Size : 51,6 Mb
Release : 2018-06-01
Category : Science
ISBN : 9784431566090
This book provides new insights into the universality of biological systems in animal reproduction and development by a comparative study of a variety of mechanisms in animals ranging from basal invertebrates to vertebrates, including mammals. Animals accomplish genetic diversity through meiosis and fertilization, and during embryogenesis animals must produce specialized cell types, including germ cells, in accordance with their individual body plan. This series of phenomena is essential to the continuity of life in the animal kingdom, and animals show various reproductive and developmental strategies. This volume, comprising four parts, reviews animal kingdom diversity, including reproductive strategies and germ cell differentiation mechanisms (Part 1), sex determination and differentiation (Part2), the mechanisms of fertilization (Part 3), and body axis formation (Part 4). Readers will find descriptions of the reproduction or development of 180 species, 13 phyla, 35 classes, 74 orders, 117 families, and 151 genera in this book. Of particular interest is the diversity of molecules and mechanisms used to achieve the same biological purpose in different animals. Undergraduates, graduate students, and professional scientists who want a deeper understanding of animal reproductive and developmental mechanisms will find this book to be of great value.
Author : Richard E. Blackwelder
Publisher : CRC Press
Page : 806 pages
File Size : 47,9 Mb
Release : 2019-08-08
Category : Medical
ISBN : 9781351089906
This book is a summary of the diversity between and within the classes of animals. It is intended for reference on all aspects of animals that can be studied comparatively, but such comparisons requires that the occurrence of the feature in question beknown for more than just one or two groups. It is in large part a book on invertebrate animals because the vertebrates from only a small part of the diversity of animals.
Author : Manabu Yoshida,Juan F. Asturiano
Publisher : Springer Nature
Page : 373 pages
File Size : 40,9 Mb
Release : 2020-03-25
Category : Science
ISBN : 9789811522901
This book provides an up-to-date overview of the various reproductive systems of a variety of aquatic animals, from invertebrates to fishes. While all terrestrial animals use internal fertilization, aquatic animals have diverse reproductive systems. Some are internal fertilizers with or without mating, but many perform external fertilization. Because of this diversity, the reproductive systems of aquatic animals represent excellent models for the study of adaptive evolution and the species specificity of fertilization. In addition, many aquatic animals, including fish, crustaceans, and mollusks, are important as fishery and aquaculture resources. In this book, up-and-coming researchers examine reproductive systems in representative aquatic animals, covering both the basic knowledge and late-breaking results. Reproduction in Aquatic Animals: From Basic Biology to Aquaculture Technology will be of interest to graduate and postgraduate students in biology and agricultural sciences, as well as to researchers and technicians in the fields of reproductive biology and fishery science and to non-academics.
Author : Kenneth D. Frank
Publisher : Unknown
Page : 216 pages
File Size : 40,8 Mb
Release : 2022
Category : Biodiversity
ISBN : 0231206062
Cities pose formidable obstacles to nonhuman life. Vast expanses of asphalt and concrete are inhospitable to plants and animals; traffic noise and artificial light disturb natural rhythms; sewage and pollutants imperil existence. Yet cities teem with life: In rowhouse neighborhoods, tiny flowers bloom from cracks in the sidewalk. White clover covers lawns, its seeds dispersed by shoes and birds. Moths flutter and spiders weave their webs near electric lights. Sparrows and squirrels feast on the scraps people leave behind. Pairs of red-tailed hawks nest on window ledges. How do wild plants and animals in urban areas find mates? How do they navigate the patchwork of habitats to reproduce while avoiding inbreeding? In what ways do built environments enable or inhibit mating? This book explores the natural history of sex in urban bacteria, fungi, plants, and nonhuman animals. Kenneth D. Frank illuminates the reproductive behavior of scores of species. He examines topics such as breeding systems, sex determination, sex change, sexual conflict, sexual trauma, sexually transmitted disease, sexual mimicry, sexual cannibalism, aphrodisiacs, and lost sex. Frank offers a guide to urban reproductive diversity across a range of conditions, showing how understanding of sex and mating furthers the appreciation of biodiversity. He presents reproductive diversity as elegant but vulnerable, underscoring the consequences of human activity. Featuring compelling photographs of a multitude of life forms in their city habitats, this book provides a new lens on urban natural history.
Author : Juan Carlos Gardón,Katy Satué
Publisher : CRC Press
Page : 334 pages
File Size : 46,9 Mb
Release : 2020-11-01
Category : Medical
ISBN : 9781000730883
This comprehensive volume focuses on recent trends and new technologies used in the management of reproduction in major farm animals, focusing on both males and females of bovine, equine, and porcine species. With chapters written by scientists who specialize in their respective topics, the volume presents a selection of different technologies that have been developed to assure reproductive success by improving reproductive efficiency, generating germplasm banks, and maintaining genetic diversity in cattle, horses, and pigs. In the last decade, reproductive technologies in veterinary medicine have progressed considerably, providing high profitability to livestock farms. This book provides basic and applied information on the most used reproductive technologies in bovine, equine, and porcine species for academics, scientists, and veterinarians. The volume discusses reproductive and postpartum management, reproductive ultrasound, sperm management, egg retrieval, artificial insemination, embryo transfer, nutrition, genetics, and certain clinical aspects, such as endocrinology and robustness of reproductive systems.
Author : Jack Cohen,Brendan Massey
Publisher : Unknown
Page : 76 pages
File Size : 51,5 Mb
Release : 1984
Category : Reproduction
ISBN : OCLC:12665086
Author : Pierre Comizzoli,Janine L. Brown,W. V. Holt
Publisher : Unknown
Page : 128 pages
File Size : 44,5 Mb
Release : 2019
Category : Reproduction
ISBN : 303023634X
This second edition emphasizes the environmental impact on reproduction, with updated chapters throughout as well as complete new chapters on species such as sharks and rays. This is a wide-ranging book that will be of relevance to anyone involved in species conservation, and provides critical perspectives on the real utility of current and emerging reproductive sciences. Understanding reproductive biology is centrally important to the way many of the world's conservation problems should be tackled. Currently the extinction problem is huge, with up to 30% of the world's fauna being expected to disappear in the next 50 years. Nevertheless, it has been estimated that the global population of animals in zoos encompasses 12,000 - 15,000 species, and we anticipate that every effort will be made to preserve these species for as long as possible, minimizing inbreeding effects and providing the best welfare standards available. Even if the reproductive biology community cannot solve the global biodiversity crisis for all wild species, we should do our best to maintain important captive populations. Reproductive biology in this context is much more than the development of techniques for helping with too little or too much breeding. While some of the relevant techniques are useful for individual species that society might target for a variety of reasons, whether nationalistic, cultural or practical, technical developments have to be backed up by thorough biological understanding of the background behind the problems.
Author : Janet Leonard,Alex Cordoba-Aguilar
Publisher : Oxford University Press
Page : 552 pages
File Size : 43,9 Mb
Release : 2010-07-19
Category : Science
ISBN : 9780199886753
Primary sexual traits, those structures and processes directly involved in reproduction, are some of the most diverse, specialized, and bizarre in the animal kingdom. Moreover, reproductive traits are often species-specific, suggesting that they evolved very rapidly. This diversity, long the province of taxonomists, has recently attracted broader interest from evolutionary biologists, especially those interested in sexual selection and the evolution of reproductive strategies. Primary sexual characters were long assumed to be the product of natural selection, exclusively. A recent alternative suggests that sexual selection explains much of the diversity of "primary" sexual characters. A third approach to the evolution of reproductive interactions after copulation or insemination has been to consider the process one of sexual conflict. That is, the reproductive processes of a species may reflect, as does the mating system, evolution acting on males and on females, but in different directions. In this volume, authors explore a wide variety of primary sexual characters and selective pressures that have shaped them, from natural selection for offspring survival to species-isolating mechanisms, sperm competition, cryptic female choice and sexual arms races. Exploring diverse reproductive adaptations from a theoretical and practical perspective, The Evolution of Primary Sexual Characters will provide an unparalleled overview of sexual diversity in many taxa and an introduction to the issues in sexual selection that are changing our view of sexual processes.
Author : Vijay Kumar Gupta
Publisher : Daya Books
Page : 572 pages
File Size : 47,7 Mb
Release : 2007
Category : Animal colonies
ISBN : 8170354595
Ecology is the scientific study of the way in which the plants, animals, and people are related to each other and to their environment; and reproduction is the act or the process of producing babies, young animals, or plants. Ecology and animal reproduction forms an important part of curriculum of almost all colleges and universities in India and abroad. Although a host of books on the ecology are available, we did feel the need of a book which can provide information on the diversity of animals inhabiting various ecological niches together with the reproductive strategies adopted by them and to carry out diverse kinds of reproductive-ecological analyses spreading across several types of ecosystem sustaining different kind of flora and fauna. This volume has been written in a lucid and easy to understand language dealing elaborately with following topics: Animal Ecology; Nematology in India, Freshwater cladocera, Mass production of pulmonate molluscs, Himalayan fish fauna, Heavy metal pollution in freshwater, Growth of the Indian major carps fry, Nutritional ecology of carp fmgerlings, Ectoparasitic diseases in freshwater fishes, Distribution of crocodile salamander in east Nepal, Farming of saltwater crocodiles, Population trends of Indian Mugger crocodiles, Avifauna in Karnataka, Computer in wildlife-communication with birds, Status and conservation of bird fauna in Kerala, Behavioural observations on rhesus monkey; Animal Reproduction; Breeding of the earthworm, Oviposition behaviour of the stem borer, Action of quinines in insect pest control, Hunter reduviide utilization in biological control, Impact of mercury on hypothalamic nuclear center in a freshwater teleost, Annual sexual rhythm in freshwater turtles, Reproductive biology of olive ridley sea turtle, Endocrine disruptor and reproductive health, Alleviation of testicular toxicity in albino rats, Environmental and occupational exposure to metals and reproduction. The book will be of immense help and hopefully shall fulfill the needs of students, teachers and researchers engaged in the field of animal ecology and reproduction to some extent. Chapter 1: Nematology in India: Problems and Perspectives by A K Chaubey, Nidhi Tyagi and Satyandra Kumar; Chapter 2: Freshwater Cladocera (Crustacea: Branchiopoda) from Muriyad Wetlands, Trichur, Kerala by K K Subhashbabu & John Thomas K; Chapter 3: Small-scale Mass Production Strategy for a Reduviid Predator Rhynocoris longifrons Stal (Heteroptera: Reduviidae) by K Sahayaraj and C Ravi; Chapter 4: Studies on the Biodiversity and Population Density of Freshwater Pulmonate Malacofauna of Damoh and Sagar District of M P (India) by M Bhinde, Mohd A Khan, U Dubey, P gupta, P Thakur, P Nema and S Jain; Chapter 5: Taxonomic Richness and Peculiarities in the Himalaya Fish Fauna (Indian Subcontinent) by P Nautiyal, R Nautiyal and H S Rawat; Chapter 6: Heavy Metal Pollution in Freshwater and its Impact on Fisheries by R K Gupta, K L Jain, S K Gahlawat and N K Yadava; Chapter 7: Effect of Dietary L-Thyroxine Supplementation on Growth of the Indian Major Carps Fry by A K Pandey, P K Arvindakshan and B N Singh; Chapter 8: Nutritional Ecology of Carp (Cyprinus carpio, L) Fingerling, Y R Malhotra and K K Sharma; Chapter 9: Ectoparasitic Diseases in Freshwater Fishes and their Control by R K Gupta, N K Yadava, S K Gahlawat, K L Jain and A S Burman; Chapter 10: Anthropogenic Impacts and the Distribution of Crocodile Salamander (Tylotriton verrucosus Anderson, 1871) in the East Nepal by Kalu Ram Rai, Bharat Raj Subba and Kul Prasad Limbu; Chapter 11: Population Trends of Indian Mugger Crocodiles Crocodylus palustris at Some Selected Sanctuaries in Andhra Prasad, South India by V Vijaya Kumar, B C Choudhury and V C Soni; Chapter 12: Management, Conservation and Farming of Saltwater Crocodiles: An Australian Case Study of Sustainable Commercial Use by Clem Tisdell and Hemanath Swarna Nantha; Chapter 13: Avifauna in Agri-horticultural Ecosystems of Maidan Area of Davangere District, Karnataka, India by S Basavarajappa; Chapter 14: Computers in Wildlife: A Tool to Create a Communication with Birds by Manu Malhotra and D N Sahi; Chapter 15: Status and Conservation of Bird Fauna in the Vembanad-kole Ramsar Site, Kerala, India by C Sivaperuman and E A Jayson; Chapter 16: Quantitative Behavioural Observations on Rhesus Monkey Macaca mulatta (Zimmermann) by S K Gahlawat, R K Gupta, R C Sihag and R C Gupta; Chapter 17: Ecology and Breedding Biology of the Earthworm Allolobophora (= Aporrectodea) caliginosa trapezoides (Savigny, 1826) (Oligochaeta: Lumbricidae) in Libya by G Achuthan Nair and K Premkumar; Chapter 18: Oviposition Behaviour of the Stem Borer Apriona cinerea Chevrolat (Coleoptera: Cerambycidae), on Poplars in Jammu Forests by Sanjay Bhatia, Baldev Sharma and Neelam Khajuria; Chapter 19: Mode of Action of Quinones as Potential Insect Pest Control Agents by Smita Banerjee and Sujata Magdum; Chapter 20: Ecobiological Studies on Zygogramma bicolorata Pallister (Coleoptera: Chrysomelidae) a Biocontrol Agent on Parthenium hysterophorus L in Jammu by Sanjay Bhatia, Rajani Choudhary and Manjot Singh; Chapter 21: Reproductive Performance: A Deciding Factor for the Hunter Reduviids Utilization in Biological Control by K Sahayaraj; Chapter 22: Impact of Mercury on Hypothalamic Nuclear Center (NPO) in a Freshwater Teleost Danio equipinatus with Special Reference to Reproductive Physiology by Binay Kumar Singh, Kaushalendra Kumar, Md Shamsul Haque and Ritesh Mandal; Chapter 23: Annual Sexual Rhythm in Relation to Environmental Cues in the Freshwater Turtle, Kachuga tecta (Gray) and Kachuga smithi (Gray) in Jammu Shiwaliks, J&K State by Anil K Verma and V K Gupta; Chapter 24: Reproductive Biology of Olive Ridley Sea Turtle (Lepidochelys olivacea): Insights from Research in Orissa Coast of India by Basudev Tripathy; Chapter 25: Endocrine Disruptors and Reproductive Health: A Critical Assessment by Sunil Kumar and Y Verma; Chapter 26: Alleviation of Diclofenac induced Testicular Toxicity by Vitamin E Supplementation in Albino Rats by G Vanithakumari and K Sakthi Shree; Chapter 27: Environmental and Occupational Exposure to Metals and Reproduction by Sunil Kumar and Minal Mankad.
Author : Lucas T. Dahnof
Publisher : Nova Science Publishers
Page : 0 pages
File Size : 43,6 Mb
Release : 2009
Category : Animal breeding
ISBN : 1606925954
Reproduction is the biological process by which new individual organisms are produced. Reproduction is a fundamental feature of all known life; each individual organism exists as the result of reproduction. The known methods of reproduction are broadly grouped into two main types: sexual and asexual. In asexual reproduction, an individual can reproduce without involvement with another individual of that species. The division of a bacterial cell into two daughter cells is an example of asexual reproduction. Asexual reproduction is not, however, limited to single-celled organisms. Most plants have the ability to reproduce asexually. Sexual reproduction requires the involvement of two individuals, typically one of each sex. Normal human reproduction is a common example of sexual reproduction. Most animals and plants reproduce sexually. Sexually reproducing organisms have two sets of genes for every trait (called alleles). Offspring inherit one allele for each trait from each parent, thereby ensuring that offspring have a combination of the parents' genes. Having two copies of every gene, only one of which is expressed, allows deleterious alleles to be masked, an advantage believed to have led to the evolutionary development of diploidy. This book presents the latest research in the field from around the globe.
Author : Virginia Hayssen,Teri J. Orr
Publisher : JHU Press
Page : 369 pages
File Size : 50,8 Mb
Release : 2017-10-27
Category : Science
ISBN : 9781421423166
A fascinating look at the diverse reproductive strategies of numerous female mammals, from hyenas to goats, kangaroos to whales. Newborn mammals can weigh as little as a dime or as much as a motorcycle. Some receive milk for only a few days, whereas others nurse for years. Humans typically have only one baby at a time following nine months of pregnancy, but other mammals have twenty or more young after only a few weeks in utero. What causes this incredible reproductive diversity? In Reproduction in Mammals, Virginia Hayssen and Teri J. Orr present readers with a fascinating examination of the varied reproductive strategies of a broad spectrum of mammals, from marsupials to whales. This unique book's comprehensive coverage gathers stories from many taxa into a single, cohesive perspective that centers on the reproductive lives of females. The authors shed light on a number of intriguing questions, including • do bigger moms have bigger babies? • do primates have longer pregnancies than other groups? • does habitat influence animals' reproductive patterns? • do carnivores typically produce larger litters than prey species? The book opens with the authors' definition of what constitutes a female perspective and an examination of the evolution of reproduction in mammals. It then outlines the typical individual mammalian female: her genetics, anatomy, and physiology. Taking a nuanced approach, Hayssen and Orr describe the female reproductive cycle and explore female mammals' interactions with males and offspring. Readers will come away from this thought-provoking book with an understanding of not only how reproduction fits into the lives of female mammals but also how biology has affected the enormously diverse reproductive patterns of the phenotypes we observe today.
Author : Juan Carlos Gardón,Katy Satué
Publisher : Apple Academic Press
Page : 334 pages
File Size : 46,9 Mb
Release : 2022-06
Category : Electronic
ISBN : 1774639017
This comprehensive volume focuses on recent trends and new technologies used in the management of reproduction in major farm animals, focusing on both males and females of bovine, equine, and porcine species. With chapters written by scientists who specialize in their respective topics, the volume presents a selection of different technologies that have been developed to assure reproductive success by improving reproductive efficiency, generating germplasm banks, and maintaining genetic diversity in cattle, horses, and pigs. In the last decade, reproductive technologies in veterinary medicine have progressed considerably, providing high profitability to livestock farms. This book provides basic and applied information on the most used reproductive technologies in bovine, equine, and porcine species for academics, scientists, and veterinarians. The volume discusses reproductive and postpartum management, reproductive ultrasound, sperm management, egg retrieval, artificial insemination, embryo transfer, nutrition, genetics, and certain clinical aspects, such as endocrinology and robustness of reproductive systems.