Name: A Critique of the Theory of Evolution
Price: 34.46 CAD
Availability: click-8910566-13710626?url=https%3A%2F%2Fwww.chapters.indigo.ca%2Fen-ca%2Fbooks%2Fproduct%2F9781348028703-item.html
Author: Thomas Hunt Morgan
ISBN: 978-1721887057

A Critique of the Theory of Evolution

By Thomas Hunt Morgan 21 Jun, 2019

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A Critique of the Theory of Evolution by Thomas Hunt Morgan A REVALUATION OF THE EVIDENCE ON WHICH THE THEORY OF EVOLUTION WAS BASED We use the word evolution in many ways—to include many different kinds of changes. There is hardly any other scientific term that is used so carelessly—to imply so much, to mean so little. Three Kinds of Evolution We speak of the evolution of the stars, of the evolution of the horse, of the evolution of the steam engine, as though they were all part of the same process. What have they in common? Only this, that each concerns itself with the history of something. When the astronomer thinks of the evolution of the earth, the moon, the sun and the stars, he has a picture of diffuse matter that has slowly condensed. With condensation came heat; with heat, action and reaction within the mass until the chemical substances that we know today were produced. This is the nebular hypothesis of the astronomer. The astronomer explains, or tries to explain, how this evolution took place, by an appeal to the physical processes that have been worked out in the laboratory, processes which he thinks have existed through all the eons during which this evolution was going on and which were its immediate causes. When the biologist thinks of the evolution of animals and plants, a different picture presents itself. Less

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