Development And Evolution Including Psychophysical Evolution Evolution By Orth
Development And Evolution Including Psychophysical Evolution Evolution By Orth
Baldwin James Mark
The book Development And Evolution Including Psychophysical Evolution Evolution By Orth was written by author Baldwin James Mark Here you can read free online of Development And Evolution Including Psychophysical Evolution Evolution By Orth book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Development And Evolution Including Psychophysical Evolution Evolution By Orth a good or bad book?
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Admitting * determinate evolution, ' the question as to the causes which 'determine' the evolution is never- theless still open, and various answers have been given to it. The Neo-Lamarckians say ' use-inheritance ' (as Eimer, who calls the determination secured by this means * ortho- genesis') ; Weismann says 'germinal selection ' ; those who accept * organic selection ' say that it is a determining factor (the resulting determination of evolution being called * orthoplasy '); others say 'dete...rminate variation* (continued in the same direction for successive genera- tions) ; Professor Osborn says, ' determinate variation * with 'organic selection. ' Determinate variatzo7i, th^n, in the proper meaning of that term, is only one way of account- ing for determinate evolution^ and to the writer it is not the true way ; at any rate, it is not necessarily involved in the theory of 'organic selection. ' Let us look more closely at ' determinate variation. ' Supposing that by variation we mean 'congenital varia- tion, ' then we may ask : When are variations determinate } When for any reason they are distributed in a way different from that required by the law of probability or chance.
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