The Theory of Evolution : With Special Reference to the Evidence Upon Which It is Founded
The book The Theory of Evolution : With Special Reference to the Evidence Upon Which It is Founded was written by author Scott, William Berryman, 1858-1947 Here you can read free online of The Theory of Evolution : With Special Reference to the Evidence Upon Which It is Founded book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is The Theory of Evolution : With Special Reference to the Evidence Upon Which It is Founded a good or bad book?
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It can hardly be contended that these rudimentary structures, which are confined to the embryonic stages of development and of which no trace remains in the adult, are so indispensable to the processes of ontogeny, that they were specially created to serve this temporary purpose. For such a conten- tion there is not a particle of evidence and the theory of evolution, which regards these structures as useless remnants, due to inheritance from an- cestors in which the structures were functional, ...Digitized by VjOOQ IC n THE THEORY OF EVOLUTION offers much the most satisfactory solution of the problem that has yet been suggested. Embryology further shows that evolution is not invariably an advance from lower and simpler to higher and more complex types, but may be by way of degeneration, and degradation. The adoption of a parasitic mode of life is very apt to cause such degradation, and some very remarkable instances of the degeneration of parasites have been observed. An instructive example that may be cited is that of Saccnlina, a nondescript creature that is parasitic on certain species of crabs.
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