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Author: W. F. Ponder
Publisher:
ISBN:
Category : Mollusks
Languages : en
Pages : 360
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Book Description
Author: W. F. Ponder
Publisher:
ISBN:
Category : Mollusks
Languages : en
Pages : 360
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Book Description
Author:
Publisher:
ISBN:
Category : Mollusks
Languages : en
Pages : 446
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Book Description
Author: G. M. Barker
Publisher: CABI
ISBN: 0851993184
Category : Science
Languages : en
Pages : 574
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Book Description
Gastropods on land: phylogeny, diversity and adaptive morphology; Body wall: form and function; Sensory organs and the nervous system; Radular structure and function; Structure and function of the digestive system in Stylommatophora; Food and feeding behaviour; Haemolymph: blood cell morphology and function; Structure and functioning of the reproductive system; Regulation of growth and reproduction; Spermatogenesis and oogenesis; Population and conservation genetics; Life history strategies; Behavioural ecology: on doing the right thing, in the right place at the right time; Soil biology and ecotoxicology.
Author: M. G. Harasewych
Publisher:
ISBN:
Category : Molecular biology
Languages : en
Pages : 190
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Book Description
Author: Janet Leonard
Publisher: Oxford University Press
ISBN: 0199717036
Category : Science
Languages : en
Pages : 550
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Book Description
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: C.F.W. Higham
Publisher: Fine Arts Department of Thailand
ISBN: 1782978674
Category : Social Science
Languages : en
Pages : 595
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Book Description
Nong Nor is a prehistoric coastal site located in the Chonburi Province, Southeast Asia. It was excavated between 1991 and 1993 and shows two phases of occupation: the first, c.2500 BC, a brief stay by a community of hunter-gatherers living on shellfish, dolphins and sharks; the second, an extensive cemetery of 170 graves dating to 1100-700 BC, some with grave goods and a small group of unusually wealthy ones. The authors, in their conclusion, suggest that the first inhabitants of Nong Nor may have been ancestral to the later inhabitants of nearby Khok Phanom Di.
Author:
Publisher: Academy of Natural Sciences
ISBN: 9781437955507
Category :
Languages : en
Pages : 160
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Book Description
Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 202
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Book Description
Author: Charles Lydeard
Publisher: Johns Hopkins University Press
ISBN: 1421427311
Category : Science
Languages : en
Pages : 255
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Book Description
The definitive resource on the biology and evolution of freshwater mollusks. There are more species of freshwater mollusks—well over 5,000—than all the mammal species of the world. Freshwater mollusks are also arguably the most endangered fauna on the planet. Yet few references exist for researchers, shell enthusiasts, and general readers who are interested in learning more about these fascinating creatures. In Freshwater Mollusks of the World, Charles Lydeard and Kevin S. Cummings fill that void with contributions from dozens of renowned mollusk experts. Touching on 34 families of freshwater gastropods (snails) and 9 families of freshwater bivalves (mussels and clams), each chapter provides a synthesis of the latest research on the diversity and evolutionary relationships of the family. The book also includes • a look at how evolving DNA sequencing data techniques help shed light on mollusk taxonomy • distribution maps of each family's biogeographic locales • a representative photo and distribution map for each of the freshwater mollusk families • the latest information on each family's conservation status—and how to reverse the habitat destruction, modification, and pollution that threatens it • a discussion of the ecological and economic damages caused by invasive mollusk species, as well as their role as disease vectors Mollusks provide us with amazing biogeographical insights: their ancient fossil record goes back over 500 million years, and their distribution patterns are a reflection of past continental and climate changes. The only comprehensive summary of systematic and biodiversity information on freshwater mollusk families throughout the world, this reference is a must for malacologists, limnologists, ichthyologists, stream ecologists, biogeographers, and conservation biologists. Contributors: Christian Albrecht, Rüdiger Bieler, Bert Van Bocxlaer, David C. Campbell, Stephanie A. Clark, Catharina Clewing, Robert H. Cowie, Kevin S. Cummings, Diana Delicado, Hiroshi Fukuda, Hiroaki Fukumori, Matthias Glaubrecht, Daniel L. Graf, Diego E. Gutiérrez Gregoric, Kenneth A. Hayes, Yasunori Kano, Taehwan Lee, Charles Lydeard, Nathaniel T. Marshall, Paula M. Mikkelsen, Marco T. Neiber, Timea P. Neusser, Winston Ponder, Michael Schrödl, Alena A. Shirokaya, Björn Stelbrink, Carol A. Stepien, Ellen E. Strong, Maxim V. Vinarski, Amy R. Wethington, Thomas Wilke
Author: Darryl L. Felder
Publisher: Texas A&M University Press
ISBN: 1603442693
Category : Nature
Languages : en
Pages : 1405
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Book Description
This landmark scientific reference for scientists, researchers, and students of marine biology tackles the monumental task of taking a complete biodiversity inventory of the Gulf of Mexico with full biotic and biogeographic information. Presenting a comprehensive summary of knowledge of Gulf biota through 2004, the book includes seventy-seven chapters, which list more than fifteen thousand species in thirty-eight phyla or divisions and were written by 138 authors from seventy-one institutions in fourteen countries.This first volume of Gulf of Mexico Origin, Waters, and Biota, a multivolumed set edited by John W. Tunnell Jr., Darryl L. Felder, and Sylvia A. Earle, provides information on each species' habitat, biology, and geographic range, along with full references and a narrative introduction to the group, which opens each chapter.
