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Variation and Evolution in Plants and Microorganisms

Variation and Evolution in Plants and Microorganisms PDF Author: National Academy of Sciences
Publisher: National Academies Press
ISBN: 0309172268
Category : Science
Languages : en
Pages : 353

Book Description
"The present book is intended as a progress report on [the] synthetic approach to evolution as it applies to the plant kingdom." With this simple statement, G. Ledyard Stebbins formulated the objectives of Variation and Evolution in Plants, published in 1950, setting forth for plants what became known as the "synthetic theory of evolution" or "the modern synthesis." The pervading conceit of the book was the molding of Darwin's evolution by natural selection within the framework of rapidly advancing genetic knowledge. At the time, Variation and Evolution in Plants significantly extended the scope of the science of plants. Plants, with their unique genetic, physiological, and evolutionary features, had all but been left completely out of the synthesis until that point. Fifty years later, the National Academy of Sciences convened a colloquium to update the advances made by Stebbins. This collection of 17 papers marks the 50th anniversary of the publication of Stebbins' classic. Organized into five sections, the book covers: early evolution and the origin of cells, virus and bacterial models, protoctist models, population variation, and trends and patterns in plant evolution.

Variation and Evolution in Plants and Microorganisms

Variation and Evolution in Plants and Microorganisms PDF Author: National Academy of Sciences
Publisher: National Academies Press
ISBN: 0309172268
Category : Science
Languages : en
Pages : 353

Book Description
"The present book is intended as a progress report on [the] synthetic approach to evolution as it applies to the plant kingdom." With this simple statement, G. Ledyard Stebbins formulated the objectives of Variation and Evolution in Plants, published in 1950, setting forth for plants what became known as the "synthetic theory of evolution" or "the modern synthesis." The pervading conceit of the book was the molding of Darwin's evolution by natural selection within the framework of rapidly advancing genetic knowledge. At the time, Variation and Evolution in Plants significantly extended the scope of the science of plants. Plants, with their unique genetic, physiological, and evolutionary features, had all but been left completely out of the synthesis until that point. Fifty years later, the National Academy of Sciences convened a colloquium to update the advances made by Stebbins. This collection of 17 papers marks the 50th anniversary of the publication of Stebbins' classic. Organized into five sections, the book covers: early evolution and the origin of cells, virus and bacterial models, protoctist models, population variation, and trends and patterns in plant evolution.

Evolutionary Trends in Flowering Plants

Evolutionary Trends in Flowering Plants PDF Author: Armen Leonovich Takhtadzhi͡an
Publisher: Columbia University Press
ISBN: 9780231073288
Category : Nature
Languages : en
Pages : 268

Book Description
Takhtajan, one of the foremost authorities on flowering plant evolution, has brought together from the literature and his own studies interpretations of the origin and evolution of various vegetative and reproductive parts of flowering plants. Starting with growth habit, he continues through leaf and stem structure, including the origin of vessels, sieve tubes, and rays, to flowers. After tracing the possible origin of the flower, he discusses in detail the sepals, petals, stamens, and carpels, accounting for their variations in number of parts, fusion, position, and structure. The evolution and origin of the micro- and megagametophytes and the development of triple fusion are considered. The book ends with the developmental sequence of the fruit and seed types. Each chapter has its own extensive bibliography. Takhtajan has produced a book that will be essential in the library of any college where plant evolution is considered.-C. T. Mason Jr., University of Arizona--Choice Reviews.

Evolutionary Trends in Plants

Evolutionary Trends in Plants PDF Author:
Publisher:
ISBN:
Category : Botany
Languages : en
Pages : 254

Book Description


Biological Approaches and Evolutionary Trends in Plants

Biological Approaches and Evolutionary Trends in Plants PDF Author: Shoichi Kawano
Publisher: Elsevier
ISBN: 0323150748
Category : Science
Languages : en
Pages : 430

Book Description
Biological Approaches and Evolutionary Trends in Plants is a collection of papers presented at the Fourth International Symposium of Plant Biosystematics held on July 10-14, 1989 in Kyoto, Japan. Contributors, some are world's leading plant biologists, discuss the findings in evolutionary biology and issues in plant biosystematics in light of the evidence and ideas brought forward at various levels of biological organization, from molecule to cell, individual, population, species, and community levels. This volume is organized into four sections encompassing 22 chapters and begins with an overview of discoveries concerning parapatric differentiation of weed populations, including adaptive evolution in herbicide resistant biotypes and complex evolutionary patterns in weed-crop complexes of various groups. The next section explores molecular approaches in plant biosystematics, focusing on amino acid sequencing of proteins; restriction-site variations of cpDNA, mitDNA, rDNA, etc.; and chromosome-banding patterns revealed by differential staining. The discussion shifts to a wave of research in plant population biology and evolutionary ecology since the 1970s and its impact on biology and biosystematics. The book considers various aspects of reproductive biology and evolutionary changes in significant reproductive parameters and attempts to demographically quantify these parameters. The final chapter is devoted to the use of functional phylogenetic systematics for predictive ecology. This book will be of interest to plant biologists and scientists and researchers in fields such as biochemistry, botany, microbiology, ecology, and evolutionary biology.

The Evolution of Plants

The Evolution of Plants PDF Author: K. J. Willis
Publisher: OUP Oxford
ISBN: 9780198500650
Category : Science
Languages : en
Pages : 392

Book Description
This is a broad but provocative examination of the evolution of plants from the earliest forms of life to the development of our present flora. Taking a fresh, modern approach to a subject often treated very stuffily, the book incorporates many recent studies on the morphological evolution of plants, enlivens the subject with current research on ancient DNA and other biomolecular markers, and places plant evolution in the context of climate change and mass extinction. Also includes special Biome Maps, showing the flora on the Earth's surface at different geological ages. Written for a non-specialist audience.

Plant Evolution

Plant Evolution PDF Author: Karl J. Niklas
Publisher: University of Chicago Press
ISBN: 022634228X
Category : Science
Languages : en
Pages : 590

Book Description
Although plants comprise more than 90% of all visible life, and land plants and algae collectively make up the most morphologically, physiologically, and ecologically diverse group of organisms on earth, books on evolution instead tend to focus on animals. This organismal bias has led to an incomplete and often erroneous understanding of evolutionary theory. Because plants grow and reproduce differently than animals, they have evolved differently, and generally accepted evolutionary views—as, for example, the standard models of speciation—often fail to hold when applied to them. Tapping such wide-ranging topics as genetics, gene regulatory networks, phenotype mapping, and multicellularity, as well as paleobotany, Karl J. Niklas’s Plant Evolution offers fresh insight into these differences. Following up on his landmark book The Evolutionary Biology of Plants—in which he drew on cutting-edge computer simulations that used plants as models to illuminate key evolutionary theories—Niklas incorporates data from more than a decade of new research in the flourishing field of molecular biology, conveying not only why the study of evolution is so important, but also why the study of plants is essential to our understanding of evolutionary processes. Niklas shows us that investigating the intricacies of plant development, the diversification of early vascular land plants, and larger patterns in plant evolution is not just a botanical pursuit: it is vital to our comprehension of the history of all life on this green planet.

Flowering Plants

Flowering Plants PDF Author: G. Ledyard Stebbins
Publisher: Belknap Press
ISBN: 9780674864849
Category :
Languages : en
Pages : 416

Book Description
One of the world's leading evolutionary biologists here reexamines the evolutionary history of flowering plants. This important book interprets the phylogeny of flowering plants in the light of modern knowledge about genetics, developmental biology, and ecology.

Variation and Evolution in Plants

Variation and Evolution in Plants PDF Author: George Ledyard Stebbins
Publisher:
ISBN:
Category :
Languages : en
Pages : 643

Book Description


Flowering Plants

Flowering Plants PDF Author: George Ledyard Stebbins
Publisher: Belknap Press
ISBN:
Category : Nature
Languages : en
Pages : 424

Book Description
Factors that determine evolutionary trends. Trends of angiosperm phylogeny.

Paleobotany and the Evolution of Plants

Paleobotany and the Evolution of Plants PDF Author: Wilson N. Stewart
Publisher: Cambridge University Press
ISBN: 9780521382946
Category : Science
Languages : en
Pages : 544

Book Description
This 1993 textbook describes and explains the origin and evolution of plants as revealed by the fossil record.