By Robert Wesson

During this vast and hugely readable inquiry, Robert Wesson proposes an method of evolution that's extra in concord with glossy technological know-how than Darwinism or neoDarwinism. He emphasizes the significance for evolution of internal course and the self-organizing capacities of lifestyles, a view that's greater capable of account for the chaotic nature of the evolutionary strategy and the inherent propensity of advanced dynamic platforms to develop extra complicated with time. Many examples of vegetation and animals help this concept, and Wesson contains either rigorously documented medical proof and exciting anecdotes in regards to the bizarre aberrations in common selection.Books through Robert Wesson comprise Cosmos and Metacosmos.

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Adaptation (Biology) I. Title. 0 l-dc20 90-21977 CIP Contents Acknowledgments ix Introduction xi 1 The Conventional Theory: "It Is Solved" 1 The "Neo-Darwinist Synthesis" 5 Variants of the Theory 12 The Commitment to Darwinism 16 The Religious Challenge 19 2 The Universe of Complexity 22 Limits of Reductionism 22 Higher Laws 26 The New Outlook of Science 30 Modernizing Darwinism 35 3 The Cryptic Record 38 Problems of Origins 38 The Leap into the Air 45 Between Land and Ocean 50 4 Inventive Nature 54 The Wonder of Life 54 Remarkable Structures 59 Page vi Fantastic Behaviors 68 Intelligent Instincts 74 Problems of Creativity 79 5 Inconsistent Nature 84 Adaptation 84 Nonadaptation 88 Infertility 96 Premature Death 102 6 The Question of Sex 106 The Role of Sex 106 Sexual Practices 111 Why Sex?

Its inadequacy is a thesis of this book. This position implies no denigration of Charles Darwin and his legacy. He was a great thinker and a dedicated researcher and writer in an age when most scientists were more or less dilettantes. He not only worked out and impressively argued for his theory of evolution but industriously carried out many detailed studies of animals and plants. He more than anyone else laid the foundations of the science of biology (Mayr 1982, 108). It was a remarkable achievement that he was able to build a theory that, as it has been developed, sheds much light on the organization of living nature.

A mild challenge to the theory is the idea that populations change not only through adaptation but through mutations that are neutral or at least not seriously negative (Rothwell 1983, 596-599). Strict adaptationists claim that there ''must be an evolutionary advantage to a trait if we only look hard enough" (Barash 1982, 51). But for each positive change, there must be thousands or tens of thousands that are not clearly useful, and unuseful traits (except for those harmful enough to be eliminated by selection) can lead to changes of the population as variants are increased or eliminated by the workings of pure chance.

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