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Author : Ralph Vary Chamberlin
Publisher :
ISBN 13 :
Total Pages : 524 pages
Book Rating : 4.:/5 (318 download)
Download or read book The Annelida Polychaeta written by Ralph Vary Chamberlin and published by . This book was released on 1919 with total page 524 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Greg W. Rouse
Publisher : Oxford University Press
ISBN 13 : 0199692300
Total Pages : 449 pages
Book Rating : 4.1/5 (996 download)
Download or read book Annelida written by Greg W. Rouse and published by Oxford University Press. This book was released on 2022-01-14 with total page 449 pages. Available in PDF, EPUB and Kindle. Book excerpt: Annelids (the segmented worms) exist in a remarkably diverse range of mostly marine but also freshwater and terrestrial habitats, varying greatly in size and form. This text provides. This text begins with an introduction to the phylum and an outline of annelid taxonomy. The book describes their collection and the methods to ensure their optimal preservation, and provides an overview of anatomy with its relevant terminology. It includes the latest molecular phylogenomic evidence and is organised based on a new, robust phylogenetic hypothesis. It looks at groups which include Clitellata (comprising more than a third of total annelid diversity), Sipuncula, and Thalassematidae (formerly Echiura). It reflects the enormous amount of research on these organisms that has burgeoned since the millennium, principally due to their use as model organisms to address wider and more general evolutionary and ecological questions.
Author : Ralph Vary Chamberlin
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (266 download)
Download or read book The Annelida Polychaeta written by Ralph Vary Chamberlin and published by . This book was released on 1919 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Thomas Bartolomaeus
Publisher : Springer Science & Business Media
ISBN 13 : 9781402029516
Total Pages : 406 pages
Book Rating : 4.0/5 (295 download)
Download or read book Morphology, Molecules, Evolution and Phylogeny in Polychaeta and Related Taxa written by Thomas Bartolomaeus and published by Springer Science & Business Media. This book was released on 2005-07-13 with total page 406 pages. Available in PDF, EPUB and Kindle. Book excerpt: Annelida, mainly consisting of marine Polychaeta and in faunal and partly parasitic Clitellata, is one the most significant metazoan taxa. Its more than 20.000 described species invade nearly all habitats and play a central role in marine benthic systems as well as in terrestrial soil communities. Annelids include all soft-bodied segmented worm-like organisms and have been recognized as a separate "phylum" for almost 200 years. Recently, evidence has been accumulated which shows that some of the groups formerly regarded as independent "phyla" such as Pogonophora (now recognized as Siboglinidae), Echiura, Myzostomida and perhaps Sipuncula, are most probably nothing else than greatly modified Annelida. The extreme morphological diversity found especially in Polychaeta displays the plasticity of a simple segmented organisation that basically is nothing else but a serial repetition of identical units. Thus, annelids are highly important to our understanding of fundamental questions about morphological and adaptive diversity, as well as clarifying evolutionary changes and phylogenetic relationships. The book aims to summarize our knowledge on Polychaetes polychaetes and their allies and gives an overview of recent advances gained by studies that employed conventional and modern methods plus, increasingly and importantly, the use of molecular markers and computer-assisted kinship analyses. It also reflects the state of art in polychaete sciences and presents new questions and controversies. As such it will significantly influence the direction of research on Polychaeta and their related taxa.
Author : Maria Capa
Publisher : MDPI
ISBN 13 : 3036513906
Total Pages : 520 pages
Book Rating : 4.0/5 (365 download)
Download or read book Systematics and Diversity of Annelids written by Maria Capa and published by MDPI. This book was released on 2021-08-18 with total page 520 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this Special Issue, we address the state of the art of the systematics of the main annelid groups and the improvements in the diversity they hold, with special emphasis on the latest discoveries in well-studied areas, expeditions to unsurveyed areas or environments, or the use of novel techniques that allow for the improvement of biodiversity knowledge. We are hoping that this Special Issue will provide a platform facilitating a review of current knowledge on the subject, identifying current research problems, as well as indicating directions and research trends for the future.
Author : Aaron L. Treadwell
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (831 download)
Download or read book Annelida written by Aaron L. Treadwell and published by . This book was released on 1948 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Donald J. Klemm
Publisher :
ISBN 13 :
Total Pages : 234 pages
Book Rating : 4.:/5 (321 download)
Download or read book A Guide to the Freshwater Annelida (Polychaeta, Naidid and Tubificid Oligochaeta, and Hirudinea) of North America written by Donald J. Klemm and published by . This book was released on 1985 with total page 234 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : E.V. Balian
Publisher : Springer Science & Business Media
ISBN 13 : 1402082592
Total Pages : 622 pages
Book Rating : 4.4/5 (2 download)
Download or read book Freshwater Animal Diversity Assessment written by E.V. Balian and published by Springer Science & Business Media. This book was released on 2008-04-27 with total page 622 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book offers a comprehensive study of species- and genus-level diversity and chorology of the global freshwater fauna to date. It gives a state of the art assessment of the diversity and distribution of Metazoa in the continental waters of the world.
Author : Gregory Rouse
Publisher : Oxford University Press
ISBN 13 : 9780198506089
Total Pages : 392 pages
Book Rating : 4.5/5 (6 download)
Download or read book Polychaetes written by Gregory Rouse and published by Oxford University Press. This book was released on 2001-10-11 with total page 392 pages. Available in PDF, EPUB and Kindle. Book excerpt: Polychaetes are very common marine worms belonging to the Annelid family that are of interest to marine biologists and invertebrate zoologists. The book presents an understanding of the biology of this group with many illustrations.
Author : William Carmichael McIntosh
Publisher :
ISBN 13 :
Total Pages : 800 pages
Book Rating : 4.:/5 (318 download)
Download or read book Report on the Annelida Polychaeta Collected by H. M. S. Challenger During the Years 1873-76 written by William Carmichael McIntosh and published by . This book was released on 1965 with total page 800 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : T. J. Pandian
Publisher : CRC Press
ISBN 13 : 0429582587
Total Pages : 508 pages
Book Rating : 4.4/5 (295 download)
Download or read book Reproduction and Development in Annelida written by T. J. Pandian and published by CRC Press. This book was released on 2019-01-30 with total page 508 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a concise informative elucidation of all aspects of reproduction and development in annelids covering from arenicola to tubifex. Annelids flourish between 4,900 m depth to 2,000 m altitude; some of them occur in unusual habitats like hydrothermal vents and subterranean aquatic system (stigobionts). A few have no gut and acquire adequate nutrients through osmotrophism and/or engaging symbiotic microbes. In the absence of exoskeleton to escape predation, the 17,000 speciose annelids have explored bewildering modes of reproduction; not surprisingly, 42–47% of them are brooders. With 13,000 species, polychaetes are gonochores but some 207 species of them are hermaphrodites. Clitellates are all hermaphrodites; of them, 76 species are parthenogens, of which 56 are earthworms. Regenerative potency of annelids ranges from an organ to an entire worm from a single ‘seminal’ segment. The head, tail and both together can be regenerated 21, 42 and 20 times, respectively. However, the potency is limited to ~1% of polychaetes and Heterogamatic sex determination is reported to occur only in six polychaete species, although karyotype is known for 83 annelid species. In temperate polychaetes, a dozen neuroendocrines, arising mostly from the ‘brain’ regulates reproductive cycle. A complete chapter devoted to vermiculture, (i) recognizes the fast-growing candidate species, (ii) distinguishes 'layers' from 'brooders', (iii) indicates that the harvest of oligochaetes may reduce the input of nitrogenous fertilizer in the ricefield, and (iv) explores the scope for increasing wealth from waste.
Author : David W. Kirtley
Publisher :
ISBN 13 :
Total Pages : 236 pages
Book Rating : 4.:/5 (318 download)
Download or read book A Review and Taxonomic Revision of the Family Sabellariidae Johnston, 1865 (Annelida: Polychaeta) written by David W. Kirtley and published by . This book was released on 1994 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Aaron Louis Treadwell
Publisher :
ISBN 13 :
Total Pages : 14 pages
Book Rating : 4.:/5 (31 download)
Download or read book Additions to the Polychaetous Annelids Collected by the United States Fisheries Steamer "Albatross", 1907-1910 written by Aaron Louis Treadwell and published by . This book was released on 1926 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Aaron Louis Treadwell
Publisher :
ISBN 13 :
Total Pages : 69 pages
Book Rating : 4.:/5 (615 download)
Download or read book Annelida written by Aaron Louis Treadwell and published by . This book was released on 1948 with total page 69 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : William Carmichael McIntosh
Publisher :
ISBN 13 :
Total Pages : 164 pages
Book Rating : 4.0/5 (98 download)
Download or read book A Monograph of the British Annelids ... written by William Carmichael McIntosh and published by . This book was released on 1873 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Günter Purschke
Publisher : Walter de Gruyter GmbH & Co KG
ISBN 13 : 3110291681
Total Pages : 474 pages
Book Rating : 4.1/5 (12 download)
Download or read book Annelida written by Günter Purschke and published by Walter de Gruyter GmbH & Co KG. This book was released on 2020-02-24 with total page 474 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is the second volume in a series of 4 volumes in the Handbook of Zoology series treating morphology, anatomy, reproduction, development, ecology, phylogeny, systematics and taxonomy of polychaetous Annelida. In this volume a comprehensive review of a few more derived higher taxa within Sedentaria are given, namely Sabellida, Opheliida/Capitellida as well as Hrabeiellidae. The former comprise annelids possessing a body divided into two more or less distinct regions or tagmata called thorax and abdomen. Here two groups of families are united, the spioniform and sabelliform polychaetes. Especially Spionidae and Sabellidae are speciose families within this group and represent two of the largest annelid families. These animals live in various types of burrows or tubes and all possess so-called feeding palps. In one group these appendages are differentiated as grooved feeding palps, whereas in the other they may form highly elaborated circular tentacular crowns comprising a number of radioles mostly giving off numerous filamentous pinnulae. Often additionally colourful, the latter are also received the common names "feather-duster worms", "flowers of the sea", "Christmas-tree worms". Opheliida/Capitellida including five families of truly worm-like annelids without appendages represents the contrary. Their members burrow in soft bottom substrates and may be classified as non-selective deposit feeders. Molecular phylogenetic analyses have shown that Echiura or spoon worms, formerly regarded to represent a separate phylum, are members of this group. Last not least Hrabeiellidae is one out of only two families of oligochaete-like terrestrial polychaetes and for this reason received strong scientific interest.
Author : Nelson R Cabej
Publisher : Elsevier
ISBN 13 : 012415851X
Total Pages : 847 pages
Book Rating : 4.1/5 (241 download)
Download or read book Epigenetic Principles of Evolution written by Nelson R Cabej and published by Elsevier. This book was released on 2011-11-22 with total page 847 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the first and only book, so far, to deal with the causal basis of evolution from an epigenetic view. By revealing the epigenetic "user" of the "genetic toolkit", this book demonstrates the primacy of epigenetic mechanisms and epigenetic information in generating evolutionary novelties. The author convincingly supports his theory with a host of examples from the most varied fields of biology, by emphasizing changes in developmental pathways as the basic source of evolutionary change in metazoans. Original and thought provoking--a radically new theory that overcomes the present difficulties of the theory of evolution Is the first and only theory that uses epigenetic mechanisms and principles for explaining evolution of metazoans Takes an integrative approach and shows a wide range of learning
