The Evolution Of The Vertebrates And Their Kin (1912) - Tapa blanda

Patten, William

9781167023279: The Evolution Of The Vertebrates And Their Kin (1912)

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ISBN 10: 1167023277 ISBN 13: 9781167023279

Editorial: Kessinger Publishing, 2010

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The Evolution Of The Vertebrates And Their Kin is a scientific book written by William Patten and published in 1912. The book explores the evolution of vertebrates and their relatives, including fish, amphibians, reptiles, birds, and mammals. Patten examines the anatomy, physiology, and behavior of these organisms, tracing their evolutionary history from their earliest origins to the present day. The book also discusses the various theories and hypotheses that have been proposed to explain the evolution of vertebrates, including natural selection, genetic drift, and punctuated equilibrium. Throughout the book, Patten provides detailed illustrations and diagrams to help readers understand the complex processes of vertebrate evolution. The Evolution Of The Vertebrates And Their Kin is a valuable resource for scientists, students, and anyone interested in the history and diversity of life on Earth.This scarce antiquarian book is a facsimile reprint of the old original and may contain some imperfections such as library marks and notations. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions, that are true to their original work.

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This scarce antiquarian book is a selection from Kessinger Publishing's Legacy Reprint Series. Due to its age, it may contain imperfections such as marks, notations, marginalia and flawed pages. Because we believe this work is culturally important, we have made it available as part of our commitment to protecting, preserving, and promoting the world's literature. Kessinger Publishing is the place to find hundreds of thousands of rare and hard-to-find books with something of interest for everyone!

Rese�a del editor

It has many side branches, it is true, but comparative anatomy, embryology, and paleontology are in substantial agreement as to what kind of animals and what organs and functions came first in time, what were the most highly developed, and what was the general trend of evolution. Even the simplest vertebrates, that stand at the beginning of this long series, were very highly organized animals, for all the fundamental systems of organs well known to us in man, such as the sensory, nervous, skeletal, circulatory, and excretory, were there fully established and highly efficient. But there is little in the structure or development of these organs that gives us any positive information as to their previous history, condition, or origin, the very information essential to a true understanding of their meaning. On the other hand, when we look below the vertebrates for the main highway of evolution, we are bewildered by the multiplicity of doubtful trails that appear to have neither beginning nor end, that lead as readily in one direction as another. Each invites us onward; but if followed, suspicion soon grows to conviction that we have been deceived, that some other road is after all the right one. The familiar cry, This way, I have it, that rose when an enthusiastic pioneer struck the annelid, tunicate, balanoglossus, or some other promising trail, would for a time rouse great expectations; but it always ended in disappointment, and gradually created an attitude of indifference, and the feeling that the solution of this great problem was forever beyond our reach. The conviction grew that one or more large classes of animals that once constituted the living trunk of the genealogical tree during Silurian, or pre-S ilurian times, were entirely extinct, and had left no traces whatever behind. With the historic record of the most important period in the evolution of th
(Typographical errors above are due to OCR software and don't occur in the book.)

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