Excerpt from The Course of Evolution by Differentiation or Divergent Mutation Rather Than by Selection
AN accident in 1905, and the nature of my official occupation, forced me to work that could be done in spare time with the aid of a pen and a library, and since then I have largely devoted myself to the study of geographical distribution. The dictionary for which I was responsible emphasised in my mind the enormous variety in sizes and distribution of families, genera, and species. All seemed a nearly hopeless confusion. Yet this is not nature''s way; her work is always beautifully planned, as Darwin had already shown in the wonderful theory of evolution, whose establishment as a working guide through the intricacies of life was due to him, and gave him his lasting claim to fame. Without a mechanism to operate it, however, few were prepared to make so great a break with what had gone before. In natural selection, Darwin produced an apparently serviceable mechanism, which was so familiar to every one that it had a great appeal, soon resulting in the establishment of evolution in an unassailable position. But during the last fifty years there has always been an underlying feeling that all was not well with natural selection. The writer, though brought up in its strictest school, soon began to feel very doubtful about it, and a few years of experience with tropical vegetation made him realise that selection could not be responsible for evolution. From that time onwards he has never ceased to bring up objections to it, though rarely has any answer to these been attempted. Selection is now no longer required as a support for evolution, and must take its proper place, which is one of great importance, as has been pointed out here and elsewhere.
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Paperback. Etat : New. Print on Demand. This book presents a compelling exploration of the challenges and limitations of Darwin's theory of natural selection as the driving force behind evolution. The author, a botanist with extensive experience in the tropics, meticulously examines various botanical case studies, including the unique Podostemaceae family of aquatic plants, to demonstrate the inadequacies of gradual adaptation through selection. The author delves into the historical context of evolutionary thought, contrasting Darwinism with alternative theories like differentiation and mutation. Through detailed analysis and insightful observations, the book challenges the prevailing assumptions about the role of adaptation and the nature of variation in the evolutionary process. The text exposes the difficulties in explaining the diversity and distribution of plant life solely through the lens of natural selection. By questioning established paradigms and offering thought-provoking alternatives, this book invites readers to reconsider the complexities of evolution and its underlying mechanisms. The author's insights shed light on the intricate relationship between organisms and their environments, ultimately suggesting that evolution may be a more dynamic and multifaceted process than previously understood. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item. N° de réf. du vendeur 9780282833022_0
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Vendeur : PBShop.store US, Wood Dale, IL, Etats-Unis
PAP. Etat : New. New Book. Shipped from UK. Established seller since 2000. N° de réf. du vendeur LW-9780282833022
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Vendeur : PBShop.store UK, Fairford, GLOS, Royaume-Uni
PAP. Etat : New. New Book. Shipped from UK. Established seller since 2000. N° de réf. du vendeur LW-9780282833022
Quantité disponible : 15 disponible(s)