Evolution And Speciation In Plants
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Evolution and Speciation in Plants
Author | : T.J. Pandian |
Publsiher | : CRC Press |
Total Pages | : 433 |
Release | : 2022-08-01 |
Genre | : Science |
ISBN | : 9781000646092 |
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Plants are autotrophs and sessile, while animals are heterotrophs and motile. Sessility has imposed on plants 94% hermaphroditism, 23% selfing, 3% polyploidization and 39% clonality, in comparison to 19 and
Evolution and Speciation of Island Plants
Author | : Tod F. Stuessy,Mikio Ono |
Publsiher | : Cambridge University Press |
Total Pages | : 376 |
Release | : 2007-12-03 |
Genre | : Science |
ISBN | : 052104832X |
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Oceanic island archipelagos provide many clues about evolutionary patterns and processes, and may rightly be considered as among the best places on earth to seek an understanding of the origin and elaboration of biological diversity. This volume brings together contributions covering a range of important issues in contemporary oceanic island plant biology, focusing on patterns and processes in various island groups (with emphasis on the Bonin, Hawaiian and Juan Fernandez Islands) to provide a stimulating view of the current state of research and a possible agenda for future investigations. Topics addressed include chromosomal variation, macromolecular divergence, island biogeography theory, isolating mechanisms, modes of speciation and evolution of secondary plant products. The result is a volume that reveals the special opportunities offered by oceanic archipelagos for investigating evolutionary phenomena in vascular plants.
Plant Variation and Evolution
Author | : David Briggs,Stuart Max Walters |
Publsiher | : Cambridge University Press |
Total Pages | : 538 |
Release | : 1997-11-13 |
Genre | : Nature |
ISBN | : 0521459184 |
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Considers how the study of variation in plants has developed over the last 300 years.
Stages in the Evolution of Plant Species
Author | : Jens Christian Clausen |
Publsiher | : Unknown |
Total Pages | : 224 |
Release | : 1951 |
Genre | : Evolution (Biology) |
ISBN | : STANFORD:36105033175840 |
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The evolution of our concepts of speciation. The local population as the basic evolutionary unit. The evolution of ecological races. The genetic systems of ecological races and morphological subspecies. The evolution of interspecific barriers. The evolution of groups of species. The physiologic-genetic species concept and the dynamics of the evolution of species and genera.
Evolutionary Biology
Author | : Mitchell B. Cruzan |
Publsiher | : Oxford University Press |
Total Pages | : 360 |
Release | : 2018-09-11 |
Genre | : Science |
ISBN | : 9780190882686 |
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Many of the characteristics that distinguish plants from other living organisms can be traced to their bacterial origin early in the history of life. These features-such as a multicellular haploid life stage, prevalent hermaphroditism, self-fertilization, and general dependence on biotic and abiotic vectors for reproduction-stem directly from the plant's ability to obtain energy from the sun. This novel mode of energy capture had far-ranging implications for plant evolution. It not only fueled the tremendous diversification of life on Earth that followed, but also had far-ranging implications for the evolution of photosynthetic microorganisms and eventually for land plants. Understanding the evolutionary processes for the proliferation and diversification of plants requires an appreciation of their unique biological features. While the processes of mutation, selection, genetic drift, and gene flow remain the same for both plants and animals, there are specific characteristics of plants that modify the way their evolution is implemented. Unique traits of plants affect everything from the fate of mutations, through exposure to selection in a haploid life phase, to the distribution of genetic variation within populations, and ultimately the rates and patterns of diversification. This book examines the origins of the unique evolutionary features of plants, as well as their implications for evolutionary processes. Author Mitchell B. Cruzan provides contemporary discussion of subjects including population genetics, phylogeography, phylogenetics, ecological genetics, and genomics. The book fills a need for modern coverage of these topics, all of which are essential to a wide range of advanced courses in plant biology.
Plant Evolution and the Origin of Crop Species
Author | : James F. Hancock |
Publsiher | : CABI |
Total Pages | : 245 |
Release | : 2012 |
Genre | : Science |
ISBN | : 1780641427 |
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This book is divided into two parts. Part 1 deals with the evolutionary processes, describing the chromosome structure, genetic variation, multifactorial genome, polyploidy, gene duplication and speciation. Part 2 deals with the origins of agriculture and the dynamics of plant domestication, covering some cereal grains, protein plants, starchy staple and sugar crops, as well as fruit, vegetable, fibre and oil crops. A chapter on ex situ and in situ conservation of germplasm resources is included.
Diversity and Evolution of Land Plants
Author | : M. Ingrouille |
Publsiher | : Springer Science & Business Media |
Total Pages | : 348 |
Release | : 2012-12-06 |
Genre | : Science |
ISBN | : 9789401123006 |
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Diversity and Evolution of Land Plants provides a fresh and long overdue treatment of plant anatomy and morphology for the biology undergraduate of today. Setting aside the traditional plod through the plant taxa, the author adopts a problem-based functional approach, exploring plant diversity as a series of different solutions to the design problems facing plant life on land.
Plant Evolution
Author | : Karl J. Niklas |
Publsiher | : University of Chicago Press |
Total Pages | : 590 |
Release | : 2016-08-12 |
Genre | : Science |
ISBN | : 9780226342283 |
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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.