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Author : Ellsworth C. Dougherty
Publisher : Univ of California Press
ISBN 13 :
Total Pages : 502 pages
Book Rating : 4./5 ( download)
Download or read book The Lower Metazoa written by Ellsworth C. Dougherty and published by Univ of California Press. This book was released on with total page 502 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ellsworth C. Dougherty
Publisher :
ISBN 13 :
Total Pages : 510 pages
Book Rating : 4.F/5 ( download)
Download or read book The Lower Metazoa, Comparative Biology and Phylogeny written by Ellsworth C. Dougherty and published by . This book was released on 1963 with total page 510 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ellsworth Charles Dougherty
Publisher :
ISBN 13 : 9781258281946
Total Pages : 490 pages
Book Rating : 4.2/5 (819 download)
Download or read book The Lower Metazoa written by Ellsworth Charles Dougherty and published by . This book was released on 2012-04-01 with total page 490 pages. Available in PDF, EPUB and Kindle. Book excerpt: Additional Contributor Is Willard D. Hartman.
Author : D. C. Smith
Publisher : Elsevier
ISBN 13 : 1483145727
Total Pages : 189 pages
Book Rating : 4.4/5 (831 download)
Download or read book Nutrition in the Lower Metazoa written by D. C. Smith and published by Elsevier. This book was released on 2013-10-22 with total page 189 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nutrition in the Lower Metazoa contains the proceedings of a meeting held at the University of Caen, France on September 11-13, 1979. Organized into 14 chapters, this book begins with a discussion of the phagocytosis in Polycelis tenuis and adaptational aspects in feeding in freshwater triclads. Subsequent chapters explore selection in sponge feeding processes; nutrition in symbiotic Turbellaria; some effects of diet on the biology of the rotifers; and the role of nutrition in the establishment of the green hydra symbiosis. The phosphorus economy of the green hydra symbiosis and the nutrition of marine sponges are also explained.
Author : Bernhard Grzimek
Publisher :
ISBN 13 : 9780787653620
Total Pages : 0 pages
Book Rating : 4.6/5 (536 download)
Download or read book Grzimek's Animal Life Encyclopedia written by Bernhard Grzimek and published by . This book was released on 2003 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides a comprehensive reference on animals around the world including their life cycles, predators, food systems, overall ecology, and more.
Author : I. Fairweather
Publisher : Springer Science & Business Media
ISBN 13 : 940170998X
Total Pages : 416 pages
Book Rating : 4.4/5 (17 download)
Download or read book Cell Signalling in Prokaryotes and Lower Metazoa written by I. Fairweather and published by Springer Science & Business Media. This book was released on 2013-11-11 with total page 416 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cell signalling lies at the heart of many biological processes and currently is the focus of intense research interest. In multicellular organisms, it is central to how different types of cell communicate with each other and how they detect and respond to extracellular signals. Intercellular communication is vital to single-celled organisms as well, allowing them to respond to environmental cues and signals. To date, much of the understanding of signalling mechanisms has come from research on specific cell types (eg mouse lymphocyte and cardiomyocyte) or on organisms in which communication systems such as nervous and endocrine systems are well established. This volume therefore aims to 'fill the gap' by concentrating on 'simple organisms' where the elements of those signalling systems first evolved. Many of the groups covered contain important pathogens or parasites, and the potential for manipulating signalling pathways for therapeutic intervention will be highlighted.
Author : Herbert Spencer Jennings
Publisher :
ISBN 13 :
Total Pages : 398 pages
Book Rating : 4.3/5 (91 download)
Download or read book Behavior of the Lower Organisms written by Herbert Spencer Jennings and published by . This book was released on 1906 with total page 398 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Bernhard Grzimek
Publisher : Gale Cengage
ISBN 13 : 9780787657772
Total Pages : 570 pages
Book Rating : 4.6/5 (577 download)
Download or read book Grzimek's Animal Life Encyclopedia written by Bernhard Grzimek and published by Gale Cengage. This book was released on 2004 with total page 570 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presents taxonomically arranged profiles of twenty-five lower metazoan and lesser deuterostome phyla, providing an introductory overview, species accounts, photos, maps, and diagrams.
Author : Herbert Spencer Jennings
Publisher :
ISBN 13 :
Total Pages : 512 pages
Book Rating : 4.:/5 (37 download)
Download or read book Contributions to the Study of the Behavior of Lower Organisms written by Herbert Spencer Jennings and published by . This book was released on 1904 with total page 512 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Herbert Spencer Jennings
Publisher :
ISBN 13 :
Total Pages : 268 pages
Book Rating : 4.:/5 (31 download)
Download or read book Contributions to the Study of the Behaviour of Lower Organisms written by Herbert Spencer Jennings and published by . This book was released on 1904 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jere H. Lipps
Publisher : Springer Science & Business Media
ISBN 13 : 1489924272
Total Pages : 568 pages
Book Rating : 4.4/5 (899 download)
Download or read book Origin and Early Evolution of the Metazoa written by Jere H. Lipps and published by Springer Science & Business Media. This book was released on 2013-11-21 with total page 568 pages. Available in PDF, EPUB and Kindle. Book excerpt: Several years ago, we realized that the most prominent ideas that had been ex pressed about the origin and early evolution of the Metazoa seemed to have been developed chiefly by zoologists using evidence from modern species without reference to the fossil record. Paleontologists had, in fact, put forth their own ideas but the zoological and the paleontological evidence were about the problem, seldom considered together, especially by zoologists. We believed that the paleon tological documentation of the first Metazoa was too scattered, too obscure to Western readers, and much of it too recent to have been readily available to our colleagues in zoology. Whether or not that was entirely true, we thought that a single volume reviewing the fossil record of the earliest Metazoa would be useful to many in both paleontology and zoology, especially since so much new informa tion has been developed in the last few years. Some of this information has been summarized in general articles recently, but an overview of most of the field does not exist. We therefore organized this book in five parts so that the evidence could be placed in perspective and summarized and inferences made from it. Part I intro duces the previous hypotheses that have been proposed for the origin and early radiation of Metazoa. Part II consists of two summary chapters that set the sedi mentological, geochemical, and biological background to the known radiations of Metazoa.
Author : Herbert Spencer Jennings
Publisher :
ISBN 13 :
Total Pages : 366 pages
Book Rating : 4.:/5 (271 download)
Download or read book Behavior of the Lower Organisms written by Herbert Spencer Jennings and published by . This book was released on 1931 with total page 366 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Bernhard Grzimek
Publisher :
ISBN 13 :
Total Pages : 564 pages
Book Rating : 4.X/5 (4 download)
Download or read book Grzimek's Animal Life Encyclopedia: Lower metazoans and lesser deuterosomes written by Bernhard Grzimek and published by . This book was released on 2003 with total page 564 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Werner E.G. Müller
Publisher : Springer Science & Business Media
ISBN 13 : 3642722369
Total Pages : 191 pages
Book Rating : 4.6/5 (427 download)
Download or read book Molecular Evolution: Towards the Origin of Metazoa written by Werner E.G. Müller and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 191 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recently, new genes and their proteins that revealed striking new insights into the early evolution of multicellular animals have been identified and characterized from members of the lowest metazoan phylum, the porifera (sponges). The unexpected result was that the sequences obtained from sponge displayed high similarity to those found in higher metazoa; in consequence, it was concluded that during the transition from protozoa to metazoa the major structural and regulatory proteins evolved only once. The data gathered are now powerful arguments to establish monophyly of metazoa; in addition, new insights on the evolutionary diversification of metazoa were obtained.
Author : Arthur C. Giese
Publisher : Elsevier
ISBN 13 : 1483260550
Total Pages : 559 pages
Book Rating : 4.4/5 (832 download)
Download or read book Acoelomate and Pseudocoelomate Metazoans written by Arthur C. Giese and published by Elsevier. This book was released on 2013-09-17 with total page 559 pages. Available in PDF, EPUB and Kindle. Book excerpt: Reproduction of Marine Invertebrates, Volume I: Acoelomate and Pseudocoelomate Metazoans is a collection of papers that deals with the evolution of reproductive mechanisms and behavior in marine invertebrates. This collection starts with terminologies and basic events in marine invertebrate reproduction, including the method of estimating sexual reproductive activity, as well as the timing and patterns involved. The book notes that temperatures, salinities, or food availability should be favorable when the young are produced and when they are developing. One paper shows that the reproductive rhythm is dynamic and in some species is latitude-dependent. Other papers discuss the reproductive cycles of different marine invertebrates such as the Porifera, Cnidaria, Nemertinea, and Nematoda. These papers include topics on asexual reproduction, regeneration, sexual reproduction, and development, and then explain in detail the development of certain invertebrates from their kinorhynchs state (embryonic), to the molting stages, juvenile stages, then to adulthood. This book can be useful for marine biologists, marine ecologists, and students involved in marine biological and physical sciences.
Author : Prof. R.L.Kotpal
Publisher : Rastogi Publications
ISBN 13 : 9788171339037
Total Pages : 908 pages
Book Rating : 4.3/5 (39 download)
Download or read book Modern Text Book of Zoology: Invertebrates written by Prof. R.L.Kotpal and published by Rastogi Publications. This book was released on 2012 with total page 908 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Stefan Bengtson
Publisher : Columbia University Press
ISBN 13 : 0231080883
Total Pages : 642 pages
Book Rating : 4.2/5 (31 download)
Download or read book Early Life on Earth written by Stefan Bengtson and published by Columbia University Press. This book was released on 1994 with total page 642 pages. Available in PDF, EPUB and Kindle. Book excerpt: This study is organized around three themes: the origin and early diversification of life during the Archean Eon; the maturation of life and the Earth during the long Proterozoic Eon; and the explosive diversification of multicellular life that marks the dawn of the Phanerozoic Eon. The contributors discuss the coherence of history, the combinatorial generation of taxonomic diversity, early Metazoan evolution, and the Cambrian explosion.
