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Author : Herbert Walter Levi
Publisher :
ISBN 13 :
Total Pages : 89 pages
Book Rating : 4.:/5 (33 download)
Download or read book The Neotropical Orb-weaver Genus Metazygia (Araneae: Araneidae) written by Herbert Walter Levi and published by . This book was released on 1995 with total page 89 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Herbert Walter Levi
Publisher :
ISBN 13 :
Total Pages : 89 pages
Book Rating : 4.:/5 (256 download)
Download or read book The Neotropical Orb-weaver Genus Metazygia (Araneae: Araneidae) written by Herbert Walter Levi and published by . This book was released on 1995 with total page 89 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Herbert Walter Levi
Publisher :
ISBN 13 :
Total Pages : 81 pages
Book Rating : 4.:/5 (44 download)
Download or read book The Neotropical and Mexican Orb Weavers of the Genera Cyclosa and Allocyclosa (Araneae: Araneidae) written by Herbert Walter Levi and published by . This book was released on 1999 with total page 81 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Charles D. Dondale
Publisher : NRC Research Press
ISBN 13 : 9780660188980
Total Pages : 384 pages
Book Rating : 4.1/5 (889 download)
Download or read book The Orb-weaving Spiders of Canada and Alaska written by Charles D. Dondale and published by NRC Research Press. This book was released on 2003 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt: Orb-weaving spiders spin the wheel-shaped webs often seen on dewy mornings in meadows and hedges, or on the walls and the eaves of buildings. This manual provides descriptions, illustrations, and taxonomic keys for the identification of the 94 species of these spiders represented in Canada and neighbouring regions.
Author : Herbert Walter Levi
Publisher :
ISBN 13 :
Total Pages : 81 pages
Book Rating : 4.:/5 (44 download)
Download or read book The Neotropical and Mexican Orb Weavers of the Genera Cyclosa and Allocyclosa (Araneae: Araneidae) written by Herbert Walter Levi and published by . This book was released on 1999 with total page 81 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Janet Leonard
Publisher : Oxford University Press
ISBN 13 : 0199717036
Total Pages : 550 pages
Book Rating : 4.1/5 (997 download)
Download or read book The Evolution of Primary Sexual Characters in Animals written by Janet Leonard and published by Oxford University Press. This book was released on 2010-07-16 with total page 550 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 : Vincent D. Roth
Publisher :
ISBN 13 :
Total Pages : 212 pages
Book Rating : 4.E/5 ( download)
Download or read book Spider Genera of North America written by Vincent D. Roth and published by . This book was released on 1993 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jan Schwartz
Publisher : Nova Publishers
ISBN 13 : 9781600213724
Total Pages : 340 pages
Book Rating : 4.2/5 (137 download)
Download or read book Focus on Biodiversity Research written by Jan Schwartz and published by Nova Publishers. This book was released on 2007 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt: Biological diversity, or "biodiversity," refers to the variety of all life on earth, and the complex relationships among living things, and between living things and their environment. Biodiversity includes genetic variety, species diversity, and variability in communities, ecosystems and landscapes. Biodiversity sustains the environments in which we live and on which our lives and those of every other living creature on Earth depend. Thanks to biodiversity, we are able to obtain such necessary goods as food, clothing, medicine, and fuel. Equally important are the ecosystem services that biodiversity provides, such as clean air and drinkable water. Conservation scientists have identified a number of universal threats to biodiversity: habitat loss and degradation, invasive species, pollution, overpopulation, overexploitation and consumption, and global climate change. This book examines critical issues in this field from researchers around the globe.
Author : Herbert Walter Levi
Publisher :
ISBN 13 :
Total Pages : 125 pages
Book Rating : 4.:/5 (68 download)
Download or read book The Neotropical Orb-weaver Genera Chrysometa and Homalometa (Araneae, Tetragnathidae) written by Herbert Walter Levi and published by . This book was released on 1986 with total page 125 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Richard J. Adams
Publisher : Univ of California Press
ISBN 13 : 0520957040
Total Pages : 454 pages
Book Rating : 4.5/5 (29 download)
Download or read book Field Guide to the Spiders of California and the Pacific Coast States written by Richard J. Adams and published by Univ of California Press. This book was released on 2014-01-28 with total page 454 pages. Available in PDF, EPUB and Kindle. Book excerpt: With over 40,000 described species, spiders have adapted to nearly every terrestrial environment across the globe. Over half of the world’s spider families live within the three contiguous Pacific Coast states—not surprising considering the wide variety of habitats, from mountain meadows and desert dunes to redwood forests and massive urban centers. This beautifully illustrated, accessible guide covers all of the families and many of the genera found along the Pacific Coast, including introduced species and common garden spiders. The author provides readers with tools for identifying many of the region’s spiders to family, and when possible, genus and species. He discusses taxonomy, distribution, and natural history as well as what is known of the habits of the spiders, the characters of families, and references to taxonomic revisions of the pertinent genera. Full-color plates for each family bring to life the incredible diversity of this ancient arachnid order.
Author : Douglas P. Reagan
Publisher : University of Chicago Press
ISBN 13 : 9780226705996
Total Pages : 640 pages
Book Rating : 4.7/5 (59 download)
Download or read book The Food Web of a Tropical Rain Forest written by Douglas P. Reagan and published by University of Chicago Press. This book was released on 1996-09 with total page 640 pages. Available in PDF, EPUB and Kindle. Book excerpt: Preface 1: The Rain Forest Setting Robert B. Waide, Douglas P. Reagan. 2: Plants: The Food Base William T. Lawrence, Jr 3: Microorganisms D. Jean Lodge 4: Termites Elizabeth A. McMahan 5: Litter Invertebrates William J. Pfeiffer 6: Arboreal Invertebrates Rosser W. Garrison, Michael R. Willig. 7: Arboreal Arachnids William J. Pfeiffer 8: Amphibians Margaret M. Stewart, Lawrence L. Woolbright. 9: Anoline Lizards Douglas P. Reagan 10: Nonanoline Reptiles Richard Thomas, Ava Gaa Kessler. 11: Birds Robert B. Waide 12: Mammals Michael R. Willig, Michael R. Gannon. 13: The Stream Community Alan P. Covich, William H. McDowell. 14: The Community Food Web: Major Properties and Patterns of Organization Douglas P. Reagan, Gerardo R. Camilo, Robert B. Waide. Glossary Contributors Bibliography Index Copyright © Libri GmbH. All rights reserved.
Author : David Penney
Publisher : Siri Scientific Press
ISBN 13 : 0955863600
Total Pages : 178 pages
Book Rating : 4.9/5 (558 download)
Download or read book Dominican Amber Spiders written by David Penney and published by Siri Scientific Press. This book was released on 2008 with total page 178 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Justin Gerlach
Publisher : Siri Scientific Press
ISBN 13 : 0955863686
Total Pages : 437 pages
Book Rating : 4.9/5 (558 download)
Download or read book Arachnida and Myriapoda of the Seychelles Islands written by Justin Gerlach and published by Siri Scientific Press. This book was released on 2010 with total page 437 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Herbert Walter Levi
Publisher :
ISBN 13 :
Total Pages : 32 pages
Book Rating : 4.:/5 (489 download)
Download or read book The Orbweavers of the Genera Molinaranea and Nicolepeira, a New Species of Parawixia, and Comments on Orb Weavers of Temperate South America (Araneae: Araneidae) written by Herbert Walter Levi and published by . This book was released on 2001 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Herbert Walter Levi
Publisher :
ISBN 13 :
Total Pages : 32 pages
Book Rating : 4.:/5 (489 download)
Download or read book The Orbweavers of the Genera Molinaranea and Nicolepeira, a New Species of Parawixia, and Comments on Orb Weavers of Temperate South America (Araneae: Araneidae) written by Herbert Walter Levi and published by . This book was released on 2001 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : William Eberhard
Publisher : Princeton University Press
ISBN 13 : 0691207208
Total Pages : 520 pages
Book Rating : 4.6/5 (912 download)
Download or read book Female Control written by William Eberhard and published by Princeton University Press. This book was released on 2019-12-31 with total page 520 pages. Available in PDF, EPUB and Kindle. Book excerpt: A growing body of evidence has begun to reveal flaws in the traditional assumption of female passivity and lack of discrimination after copulation has begun. William Eberhard has compiled an impressive array of research on the ability of females to shape the outcome of mating. He describes studies of many different cryptic mechanisms by which a female can accept a male for copulation but nevertheless reject him as a father. Evidence from various fields indicates that such selectivity by females may be the norm rather than the exception. Because most post-copulatory competition between males for paternity is played out within the bodies of females, female behavior, morphology, and physiology probably often influence male success in these contests. Eberhard draws examples from a diversity of organisms, ranging from ctenophores to scorpions, nematodes to frogs, and crickets to humans. Cryptic female choice establishes a new bridge between sexual selection theory and reproductive physiology, in particular the physiological effects of male seminal products on female reproductive processes, such as sperm transport, oviposition, and remating. Eberhard interweaves his review of previous studies with speculation on the consequences of this theoretical development, and indicates promising new directions for future research.
Author : Herbert Walter Levi
Publisher :
ISBN 13 :
Total Pages : 41 pages
Book Rating : 4.:/5 (384 download)
Download or read book The American Orb Weavers of the Genera Mecynogea, Manogea, Kapogea and Cyrtophora (Araneae, Araneidae) written by Herbert Walter Levi and published by . This book was released on 1996 with total page 41 pages. Available in PDF, EPUB and Kindle. Book excerpt:
