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Books Books 51 - 60 of 67 on Under changed conditions of life, it is at least possible that slight modifications....
" Under changed conditions of life, it is at least possible that slight modifications of instinct might be profitable to a species; and if it can be shown that instincts do vary ever so little, then I can see no difficulty in natural selection preserving... "
On the Origin of Species by Means of Natural Selection: Or, The Preservation ... - Page 187
by Charles Darwin - 1864 - 440 pages
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Theory of motivation

Robert C. Bolles - Psychology - 1975 - 568 pages
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The Writings of William James: A Comprehensive Edition, Including an ...

William James - Psychology - 1977 - 858 pages
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Modern Ethology: The Science of Animal Behavior

Samuel Anthony Barnett - Animal behavior - 1981 - 705 pages
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Rivista Di Storia Della Scienza, Volume 1

Science - 1984
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Foundations of Animal Behavior: Classic Papers with Commentaries

Lynne D. Houck, Lee C. Drickamer, Animal Behavior Society - Nature - 1996 - 843 pages
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Napoleon and History Painting: Antoine-Jean Gros's La Bataille D'Eylau

Christopher Prendergast - Art - 1997 - 223 pages
...as corporeal structures for the welfare of each species, under its present conditions of life . . . and if it can be shown that instincts do vary ever...accumulating variations of instinct to any extent that was profitable" (p. 245). Thus, just as variation in the physical features of an organism can influence...
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The Origin of Species by Means of Natural Selection

Charles Darwin - Evolution (Biology) - 2000 - 484 pages
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The Evolution of Scientific Knowledge

Hans Siggaard Jensen, Lykke Margot Richter, Morten Thanning Vendel_ - Technology & Engineering - 2003 - 225 pages
...could become inherited. On the other hand, there was the possibility of natural selection of instinct: Under changed conditions of life, it is at least possible...of instinct to any extent that may be profitable. (Darwin [1859] 1985, p. 236) The second difficulty relates to the ontological conflation of habits...
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Evolutionary Thought in Psychology: A Brief History

Henry Plotkin - Psychology - 2004 - 184 pages
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