The Centenary Movement of Thought An Address Delivered Before the Ohio State Un
The book The Centenary Movement of Thought An Address Delivered Before the Ohio State Un was written by author Schurman, Jacob Gould, 1854-1942 Here you can read free online of The Centenary Movement of Thought An Address Delivered Before the Ohio State Un book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is The Centenary Movement of Thought An Address Delivered Before the Ohio State Un a good or bad book?
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That evolution was the process of the living world Goethe and Ivamarck had shown at the close of the preceding century. But the hozv and the why of organic evolution was still a mystery. Darwin cleared it up by his theory of natural selection or survival of the fittest. This theory was suggested to Darwin by his " long continued study of the works of (and converse with) agriculturists and horticulturists, " as he wrote to Asa Gray, before it was given to the world. Breeders by conscious selecti...on produce new varieties. The variations are given by nature. What man does is to select and perpetu- ate them in preference to others. Now in the case of undo- mesticated animals and plants, the perpetuation of certain varieties is brought about by the struggle for existence, which is the inevitable result of the fecundity of living organisms, which increase, as Malthus had shown in the case of man, far beyond the means of subsistence. Darwin does not prove that the earth has been inhabited successively by ascending species of living beings.
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