Symbiotic Planet: A New Look At Evolution by Lynn Margulis (English) Paperback B

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ISBN-13:9780465072729
Book Title:Symbiotic Planet
Number of Pages:176 Pages
Publication Name:Symbiotic Planet: a New Look at Evolution
Language:English
Publisher:Basic Books
Item Height:140 mm
Subject:Biology
Publication Year:1999
Type:Textbook
Item Weight:166 g
Author:Lynn Margulis
Item Width:203 mm
Format:Paperback

Symbiotic Planet by Lynn Margulis Lynn Margulis shows that symbiosis – members of different species living in physical contact with one another – is crucial to the origins of evolutionary novelty. Ranging from bacteria to the Earth itself, Margulis explains the symbiotic origins of many of evolutions most important innovations. FORMAT Paperback LANGUAGE English CONDITION Brand New Publisher Description Although Charles Darwins theory of evolution laid the foundations of modern biology, it did not tell the whole story. Most remarkably, The Origin of Species said very little about, of all things, the origins of species. Darwin and his modern successors have shown very convincingly how inherited variations are naturally selected, but they leave unanswered how variant organisms come to be in the first place. In Symbiotic Planet, renowned scientist Lynn Margulis shows that symbiosis, which simply means members of different species living in physical contact with each other, is crucial to the origins of evolutionary novelty. Ranging from bacteria, the smallest kinds of life, to the largestthe living Earth itselfMargulis explains the symbiotic origins of many of evolutions most important innovations. The very cells were made of started as symbiotic unions of different kinds of bacteria. Sexand its inevitable corollary, deatharose when failed attempts at cannibalism resulted in seasonally repeated mergers of some of our tiniest ancestors. Dry land became forested only after symbioses of algae and fungi evolved into plants.Since all living things are bathed by the same waters and atmosphere, all the inhabitants of Earth belong to a symbiotic union. Gaia, the finely tuned largest ecosystem of the Earths surface, is just symbiosis as seen from space. Along the way, Margulis describes her initiation into the world of science and the early steps in the present revolution in evolutionary biology; the importance of species classification for how we think about the living world; and the way academic apartheid can block scientific advancement. Written with enthusiasm and authority, this is a book that could change the way you view our living Earth. Author Biography Lynn Margulis, Distinguished Professor in the Department of Geosciences at the University of Massachusetts at Amherst, has been a member of the National Academy of Sciences since 1983. She is best known for her pathbreaking work on the bacterial origins of cell organelles and for her collaboration with James Lovelock on Gaia theory. Her previous books include Symbiosis in Cell Evolution Five Kingdoms (with K. V. Schwartz) and (with Dorion Sagan) Origins of Sex, Garden of Microbial Delights, What Is Life?, What Is Sex?, and Slanted Truths: Essays on Gaia, Symbiosis and Evolution. Table of Contents * Prologue * Symbiosis Everywhere * Against Orthodoxy * Individuality by Incorporation * The Name of the Vine * Life from Scum * Animal Sex * Ashore * Gaia Kirkus US Review Lets hear it for the bugs – not your creepy-crawlies, but bacteria, the be-all (and possible end-all) of life on Earth, according to Margulis. Here she describes the once radical theory that cells have incorporated bacteria to mutual advantage and uses that as a springboard to summarize a still more radical theory of how species evolve. She calls it serial endosymbiosis theory (SET). It is now conventional wisdom that the energy-producing mitochondria in animal cells were once free-living bacteria. Indeed, they have their own genes – different from nuclear DNA. Margulis provides many examples of fruitful symbioses, including sexual union itself as the merger of sperm and egg cells. According to SET, there are successive steps or mergers that led to multicellular life forms: In steps one and two the oldest bacterial forms – the non-oxygen breathing “archaebacteria” found in deep ocean vents – merged with swimming bacteria two billion years ago to form the nuclear heart of animal, plant, and fungal cells and provide the cilia for swimming. Later steps introduced a third partner able to breathe oxygen and added the ability to engulf and digest food (phagocytosis). The last step involved engulfing yet another bacterium – but one these various new forms of life could not digest: bright green photosynthetic bacteria. The bone of contention here is the origin of ciliated cells – critical to evolution for their vital role as sperm tails, among other things. Margulis has a theory about their origin, but as they say, more research is needed. Marguliss theory also dictates a change in taxonomy to five kingdoms: bacteria at the base, then “protoctists” (algae, slime molds, ciliates) next, and then animals, plants, and fungi. Finally, she defends Lovelocks Gala theory, which she interprets to mean that enormous interacting ecosystems on Earth achieve homeostasis rather than that the planet is in the hands of some benign Mother Earth. This is vintage Margulis – personal, autobiographical, passionate, argumentative, at times over the top, but full of ideas – at least some of which, in the past, have proved to be right. (Kirkus Reviews) Details ISBN0465072720 Author Lynn Margulis Language English ISBN-10 0465072720 ISBN-13 9780465072729 Media Book Format Paperback Imprint Basic Books Place of Publication New York Country of Publication United States Birth 1938 Edition 1st Death 2011 Residence Amherst, MA, US Affiliation University of Massachusetts, Amherst, Massachusetts Illustrations black & white illustrations Short Title SYMBIOTIC PLANET REV/E Edition Description Revised Subtitle A New Look At Evolution AU Release Date 1999-10-08 NZ Release Date 1999-10-08 US Release Date 1999-10-08 UK Release Date 1999-10-08 Pages 176 Publisher Basic Books Year 1999 Publication Date 1999-10-08 DEWEY 577.85 Audience Tertiary & Higher Education We’ve got this At The Nile, if you’re looking for it, we’ve got it. With fast shipping, low prices, friendly service and well over a million items – you’re bound to find what you want, at a price you’ll love! TheNile_Item_ID:7492910;

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