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BOOK EXCERPT:
One of the major questions in the evolution of animals is the transition from unicellular to multicellular organization, which resulted in the emergence of Metazoa through a hypothetical Urmetazoa. The Comparative Embryology of Sponges contains abundant original and literary data on comparative embryology and morphology of the Porifera (Sponges), a group of 'lower Metazoa'. On the basis of this material, original typization of the development of Sponges is given and the problems concerning origin and evolution of Porifera and their ontogenesis are discussed. A morphogenetic interpretation of the body plan development during embryogenesis, metamorphosis and asexual reproduction in Sponges is proposed. Special attention is given to the analysis of characteristic features of the ontogenesis in Porifera. The book pursues three primary goals: 1) generalization of all existing information on individual development of sponges, its classification and a statement according to taxonomical structure of Porifera; 2) revealing of heterogeneity of morphogenesis and peculiarities of ontogeneses in various clades of Porifera, and also their correlations with the organization, both adult sponges, and their larvae; 3) revealing homology of morphogeneses in both Porifera and Eumetazoa, testifying to the general evolutionary roots of multicellular animals, and peculiar features of sponges' morphogeneses and ontogenesis. This book will be of interest to embryologists, zoologists, morphologists and researchers in evolutionary biology.
Product Details :
Genre |
: Science |
Author |
: Alexander V. Ereskovsky |
Publisher |
: Springer Science & Business Media |
Release |
: 2010-03-27 |
File |
: 382 Pages |
ISBN-13 |
: 9789048185757 |
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BOOK EXCERPT:
Product Details :
Genre |
: Embryology |
Author |
: Francis Maitland Balfour |
Publisher |
: |
Release |
: 1885 |
File |
: 644 Pages |
ISBN-13 |
: UCSD:31822012576401 |
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BOOK EXCERPT:
Product Details :
Genre |
: |
Author |
: Francis Maitland Balfour |
Publisher |
: |
Release |
: 1880 |
File |
: 536 Pages |
ISBN-13 |
: STANFORD:24503377566 |
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BOOK EXCERPT:
Product Details :
Genre |
: |
Author |
: Francis M. Balfour |
Publisher |
: |
Release |
: 1885 |
File |
: 640 Pages |
ISBN-13 |
: PSU:000018619683 |
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BOOK EXCERPT:
Invertebrate Embryology and Reproduction deals with the practical and theoretical objectives of the descriptive embryology of invertebrates, along with discussions on reproduction in these groups of animals. It explains several morphological and anatomical expressions in the field and covers the embryology of invertebrate animals, starting from the Protozoa, to the Echinodermata, the Protochordate and Tunicates. These groups include economically important aquatic invertebrates, such as crustaceans, as well as medically important invertebrates and economic arthropods. Each chapter is preceded by the taxonomy of the discussed phylum and/or the species to enable the reader to locate the systematic position. - Covers phylum definition, general characteristics, classification, reproduction, agametic reproduction, gametic reproduction, spawning, fertilization, development and embryogenesis - Includes recent findings in the area, along with detailed figures and photos that illustrate important concepts - Brings together difficult-to-obtain research data from the field, not only in Egyptian libraries, but globally, and previously only found through specialized references not widely available - Clarifies descriptions with striking photos and electron microscopical studies of different species
Product Details :
Genre |
: Science |
Author |
: Fatma El-Bawab |
Publisher |
: Academic Press |
Release |
: 2020-01-18 |
File |
: 934 Pages |
ISBN-13 |
: 9780128141151 |
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BOOK EXCERPT:
This book summarizes the latest advances in sponge science through a concise selection of studies presented at the VIII World Sponge Conference. The collection of articles reflects hot, ongoing debates in molecular research, such as the monophyletic versus paraphyletic nature of the sponge group, or the new awareness on pros and cons of standard barcodes and other markers in sponge taxonomy and phylogeny. It also features articles showing how the new sequencing technologies reveal the functional and phylogenetic complexity of the "microbial universe" associated to sponge tissues. The ecological interactions of sponges, the effects of nutrients and pollutants, the variability in reproductive patterns, and the processes generating genotypic and phenotypic variability in sponge populations are covered in several contributions. Zoogeography, population structure and dynamics are also approached with both traditional and molecular tools. The effect of anthropogenic disturbance on the natural environment finds its place in this volume with papers dealing with metal accumulation and the potential role of sponges as biomonitors. Biodiversity data from unexplored tropical and deep sea areas are presented. We hope readers will enjoy the selection of papers, which we believe represent collectively a significant contribution to our current understanding of sponges. Previously published in Hydrobiologia, vol. 687, 2012
Product Details :
Genre |
: Science |
Author |
: Manuel Maldonado |
Publisher |
: Springer |
Release |
: 2015-03-21 |
File |
: 343 Pages |
ISBN-13 |
: 9789400746886 |
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BOOK EXCERPT:
Outgrowth of the [8th] World Sponge Conference held in Girona, Spain, in Sept. 2010. Cf. pref.
Product Details :
Genre |
: Science |
Author |
: Mikel Becerro |
Publisher |
: Academic Press |
Release |
: 2012-06-19 |
File |
: 451 Pages |
ISBN-13 |
: 9780123877871 |
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BOOK EXCERPT:
One of two special issues of Advances in Marine Biology focusing on sponge science, it features comprehensive reviews of the latest studies that are advancing our understanding of the fascinating marine phylum Porifera. The selected contributors are internationally renowned researchers in their respective fields and provide a thorough overview of the state-of-the-art of sponge science. This volume will become a reference to marine biologists with interest in benthic ecology and biotic interactions, including symbiosis; chemical and molecular ecology; systematics, phylogeny, and evolution; sponge culture and tissue engineering
Product Details :
Genre |
: Technology & Engineering |
Author |
: |
Publisher |
: Academic Press |
Release |
: 2012-06-26 |
File |
: 376 Pages |
ISBN-13 |
: 9780123982728 |
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BOOK EXCERPT:
The authors "have intended to make the forefront of sponge research easily accessible to the nonspecialist, illustrating the state of the art of the field,and presenting current controversial issues. For the specialist, we wanted this monograph to be a handy, valuable update on the most recent advances in sponge science."--p. x
Product Details :
Genre |
: Science |
Author |
: Mikel A. Becerro |
Publisher |
: Academic Press |
Release |
: 2012-07-30 |
File |
: 376 Pages |
ISBN-13 |
: 9780123942838 |
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BOOK EXCERPT:
This book focuses on the symbiotic microbiomes of invertebrates in coral reefs, especially sponges and corals. It provides in-depth and up-to-date reviews on the microbial structure and diversity, metabolism and function, symbiosis and coevolution, environment and adaption, and bioactive potentials. Meanwhile, the future perspectives will be discussed according to the existing problems and the development trend. This book will be of particular interest to the professionals in marine ecology, marine biotechnology, as well as medicinal chemists and molecular biologists.
Product Details :
Genre |
: Science |
Author |
: Zhiyong Li |
Publisher |
: Springer |
Release |
: 2019-06-07 |
File |
: 569 Pages |
ISBN-13 |
: 9789402416121 |