Download or read book Principles of Zoological Micropalaeontology written by Vladimir Pokorný and published by Elsevier. This book was released on 2015-12-04 with total page 669 pages. Available in PDF, EPUB and Kindle. Book excerpt: Earth Sciences, Volume X: Principles of Zoological Micropalaeontology highlights the morphological, phylogenetic and ecological analysis of microfossils. This book is composed of 10 chapters that survey the most important microfossil taxa, their variety of form, evolution, relationships, and distribution. The opening chapter provides an introduction to the historical development of micropalaeontology. The succeeding chapters present the procedures for the collection, preparation, and microstratigraphic analysis of microfossils. The remaining chapters discuss the morphological, ecological, and phylogenetic properties of Radiolaria, Thekamoebae, Foraminifera, Tintinnina, Incertae sedis, Chitinozoa, and Hystrichosphere microfossils. This book is intended as a textbook and as a manual for practicing micropalaeontologists.

Download or read book Principles of Animal Nutrition written by Robin Moore and published by Scientific e-Resources. This book was released on 2018-04-14 with total page 333 pages. Available in PDF, EPUB and Kindle. Book excerpt: Principles of Animal Nutrition deals with classification and function of nutrients, deficiency symptoms, digestive processes, characterization of feedstuffs and formulation of diets for domestic animals. Animal nutrition entails the study of the composition and characteristics of the material consumed by the animal, the manner in which this material is metabolized (converted, utilized, and excreted) in the digestive tract and body cells of mono gastric animals (pigs, broilers, layers), ruminants (sheep, cattle, goats), and lower digestive tract fermenters (horses, ostriches). The nutrient requirements of different species animals for various production functions are also addressed. Nutrition is important for a variety of reasons. Animals need the proper nutrition for growth and maintenance, and to provide energy for work and vital functions. Maintenance is the nutrition required for an animal to maintain its current weight. Energy is the ability of the body to perform functions. Proper nutrition is also needed to maintain body temperature, produce milk, reproduce, and develop proper bone structures. Without proper nutrition, animals can develop health problems, which could result in treatment costs or even fatality. Good nutrition is essential for all of the systems of an animal to function and work together properly. This book contains the fundamental and basic information of subject and the selection of contents makes it an appropriate book for the students as well as for scholars.

Download or read book Advanced Chordate Zoology written by Aubrey Salazar and published by Scientific e-Resources. This book was released on 2018-11-16 with total page 302 pages. Available in PDF, EPUB and Kindle. Book excerpt: The origin and evolution of chordates is one of the most mysterious and interesting phenomena in evolutionary development science. Chordates are creatures characterized by possession of a notochord and pharyngeal gill openings. They comprise of three taxa: cephalochordates, urochordates (or tunicates), and vertebrates. Chordates belong to a supraphyletic gathering of deuterostomes, together with echinoderms and hemichordates, and are thought to have been derived from the regular ancestors of deuterostomes. Vertebrates evoloved by developing a body design with the greatest complexity among metazoans. Amid the 1980s, a new wave of molecular developmental science revealed that genes encoding interpretation factors and flag pathway molecules assume critical roles in the differentiation of embryonic cells, arrangement of organs and tissues, and morphogenesis for development of metazoan body designs. Presently, another wave of evolutionary developmental science studies revealed that metazoans from cnidarians to vertebrates, despite their diverse morphologies, utilize a very comparable set of interpretation factors and flag pathway molecules for body development: these genes are sometimes collectively called a genetic toolbox.

Download or read book Introduction to Marine Micropaleontology written by B.U. Haq and published by Elsevier. This book was released on 1998-03-12 with total page 385 pages. Available in PDF, EPUB and Kindle. Book excerpt: This beautifully illustrated text book, with state-of-the-art illustrations, is useful not only for an introduction to the subject, but also for the application of marine microfossils in paleoceanographic, paleoenvironmental and biostratigraphic analyses. The recent revival of interest in marine micropaleontology worldwide in the wake of the development of sequence stratigraphic models has led to the decision to reissue the volume in its original, but paperback, form. The ideas expressed in various chapters of this second edition remain as valid today as they were when the book was first issued. The text, however, includes an updated Phanerozoic geologic time which has been considerably modified since the 1980s.

Download or read book U S Geological Survey Professional Paper written by and published by . This book was released on 1963 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book The Micropaleontologist written by and published by . This book was released on 1953 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Cell and Molecular Biology written by Bailey Mitchell and published by Scientific e-Resources. This book was released on 2019-11-06 with total page 334 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book covers the concept and advances in cell biology with an emphasis on molecular paradigm. It introduces better understanding of molecular concepts and their integral role in structure and function of cell as a basic unit of life and also their integrative role of overall organization of organs. Cell biology is a fascinating branch of biological sciences, providing answers to hitherto unanswered questions. It is the mother science to areas such as molecular biology, molecular genetics, biotechnology, recombinant DNA technology etc. During the last few decades, the science of cell biology has grown at an unprecedented pace with the consequence that voluminous information has accumulated on the subject. Cell and molecular biology is an every dynamic area of life sciences where the core activity of all biological developments are studied in depth. This comprehensive book provides a concise coverage of every topic in cell and molecular biology from the fundamental aspects to the latest developments in a simple and lively manner. The present book titled Cell and Molecular Biology deals with both gross and molecular structure of cell in all its structural and functional manifestations. There are also chapters on genetic engineering and immunology as the understanding of these are very vital for comprehending the expressions of cell machinery.

Download or read book Fundamentals of Genetics written by Leslie Vega & and published by Scientific e-Resources. This book was released on 2019-09-13 with total page 341 pages. Available in PDF, EPUB and Kindle. Book excerpt: Genetics is the study of genes-what they are, what they do, and how they work. Genes inside the nucleus of a cell are strung together in such a way that the sequence carries information: that information determines how living organisms inherit various features. For example, offspring produced by sexual reproduction usually look similar to each of their parents because they have inherited some of each of their parents' genes. Genetics identifies which features are inherited, and explains how these features pass from generation to generation. The fundamentals of genetics has been designed with the objective of providing a sound understanding of the fundamentals and basic principles of genetics. An attempt has been made to present the subject matter as simple, concise, and explicit. Elements of genetics is intended to meet the needs of the shorter more applied course in introductory genetics. The aim of this text is to focus on the basics of genetics and presents those fundamentals as clearly and concisely as possible. In addition to inheritance, genetics studies how genes are turned on and off to control what substances are made in a cell-gene expression; and how a cell divides-mitosis or meiosis. Another example is a person's height: it is determined by both genetics and nutrition. This unique presentation on basic of applied genetics is of immense use to teachers, students, researches and general readers.

Download or read book Origin and Evolution of Vertebrates written by Blair Parker & and published by Scientific e-Resources. This book was released on 2019-06-06 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt: The relative way to deal with immunology can be followed to the time of Pasteur and Metchnikov in which perceptions in regards to outside acknowledgment in spineless creatures was a factor in the advancement of the primary ideas that made the establishment of what now is the expansive field of immunology. With each major exploratory and theoretical achievement, the traditional, yet fundamental, question has been solicited "e;are the resistant frameworks from phylogenetically primitive vertebrates and spineless creatures like that of warm blooded animals?"e; Somewhat shockingly for the jawed vertebrates, the general answer has been a qualified type of "e;yes"e;, though for agnathans and invertebrate phyla it has been "e;no"e; up until this point. The obvious suddenness in the presence of the insusceptible arrangement of vertebrates is connected to the presentation of the substantial age of the decent variety of its antigen particular receptors. Consequently the inquiries with respect to the beginning and development of the particular insusceptible framework rotate around this wonder. As for the birthplace of the framework (beside the origin of the revising hardware itself, the investigation of which is still in its outset) one can make inquiries about the cell and atomic settings in which the instrument was presented.

Download or read book Fish Biology and Fisheries written by Jaden Howard and published by Scientific e-Resources. This book was released on 2019-12-06 with total page 317 pages. Available in PDF, EPUB and Kindle. Book excerpt: The goal of the book Fish Biology and Fisheries is to help integrate the study of fish biology with the study of fisheries. One might not expect these two subjects to need further integration. However, strong declines in many fish stocks around the world, combined with growing concerns about the impact of fisheries on marine and freshwater biodiversity, are raising new questions about aspects of fish biology that have traditionally dwelt outside mainstream fisheries research. Fisheries form an important sector of the country's economy in terms of food supply, employment, income and foreign exchange earnings. Fishes are one of the important sources of cheap protein food for the people and millions of fishermen and several industries depend on this source. Lack of a comprehensive treatise on the biology of fishes has prompted this humble piece of work leading to Essentials of Fish Biology. A wide coverage of fish biology will make it of interest not only to ichthyologist but to professional fishery biologist as well desiring to learn basic structure and function of fish body in daily life of the fish. This is an ideal textbook of fish biology which will serve as valuable work for undergraduates and graduates looking for a comprehensive source on a wide variety of topics in fish Biology and Fisheries.

Download or read book Ordination of Recent Micro organism Communities from the Cape Hatteras Continental Margin written by Peter Homer Feldhausen and published by . This book was released on 1967 with total page 598 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Geological Survey Professional Paper written by and published by . This book was released on 1982 with total page 420 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Soil Components written by J. E. Gieseking and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 683 pages. Available in PDF, EPUB and Kindle. Book excerpt: The major components of most soils are inorganic. These constituents are derived from the weathering of rocks and minerals or from subsequent reaetions and interactions of the weathering products. During the weathering and interactions of weathering products, in organic soil colloids are formed. Large amounts of inorganic colloids are essential in soils if they are to support luxurious plant growth. The colloids adsorb water and nutrient element s that might be lost from the soil &ystem and they release these as plants need them. They also adsorb and buffer the soil system against large excesses of soluble toxic substances that might otherwise exist as free moieties in soils. Soil and plant root interactions occur across two interfaces. One is the interface between plant roots and the liquid phase and the other is the interface between the soil particles and the liquid phase. Reaetions across the interface between colloid crystals and the soilliquid phase may also suppress the availability of nutrient elements to plants. The effectiveness of these interfaciaI reaetions in supporting optimum plant growth ultimately depends on the arrangements of ions in the surfaces and subsurfaces of the mineraI crystals. For this reason much of this volume is devoted to the arrangement of ions in crystalline mineraI particles commonly occuring in soils and the properties that these particles contribute to soiI systems.

Download or read book Subject Catalog written by Stanford University. Libraries. J. Henry Meyer Memorial Library and published by . This book was released on 1967 with total page 530 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Register of the University of California written by University of California (1868-1952) and published by . This book was released on 1947 with total page 1578 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Geological Survey Professional Papers written by and published by . This book was released on 1963 with total page 598 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book The Micropalaeontology of Oceans written by B. M. Funnell and published by Cambridge University Press. This book was released on 1971-06-02 with total page 842 pages. Available in PDF, EPUB and Kindle. Book excerpt: This 1971 volume presents the proceedings of a Symposium of Micropalaeontology of Marine Bottom Sediments held in Cambridge, England, in September 1967. The collection and paleontological interpretations of deep-sea sediments had only been carried out intensively for the twenty years preceding the book's publication, and it provides a summary of the state of knowledge in this field as it stood. Beginning with a consideration of the organisms in relation to the water in which they live, successive chapters deal with the descent of the skeletons to the sea floor, their entombment in the sediments and their interpretation to elucidate the history of the oceans. It is written by many of the specialists responsible for the development of this field and includes numerous Russian contributions. This book became the definitive compendium for students and workers in oceanography and palaeontology, and is still a useful resource today.