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" ... if it can be shown that instincts do vary ever so little, then I can see no difficulty in natural selection preserving and continually accumulating variations of instinct to any extent that was profitable. It is thus, as I believe, that all the most... "
A Review of the Systems of Ethics: Founded on the Theory of Evolution - Page 4
by Charles Mallory Williams, Cora May Williams - 1892 - 581 lehte
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On the Origin of Species by Means of Natural Selection; Or, The Preservation ...

Charles Darwin - 1861 - 470 lehte
...selection preserving and continually accumulating variations of instinct to any extent that may be profitable. It is thus, as I believe, that all the...disuse, so I do not doubt it has been with instincts. But I believe that the effects of habit are of quite subordinate importance to the effects of the natural...
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On the Origin of Species by Means of Natural Selection: Or, The Preservation ...

Charles Darwin - 1864 - 472 lehte
...selection preserving and continually accumulating variations of instinct to any extent that may be profitable. It is thus, as I believe, that all the...disuse, so I do not doubt it has been with instincts. But I believe that the effects of habit are of quite subordinate importance to the effects of the natural...
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On the Origin of Species by Means of Natural Selection, Or, The Preservation ...

Charles Darwin - 1866 - 668 lehte
...see no difficulty in natural selection preserving and continually accumulating variations of instinct to any extent that was profitable. It is thus, as...disuse, so I do not doubt it has been with instincts. But I believe that the effects of habit are of quite subordinate importance to the effects of the natural...
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The Boy's friend, a monthly journal, 2. köide

1866 - 476 lehte
...acquired. Instincts are as important as corporeal structure for the welfare of each species, and "и modifications of corporeal structure arise from, and...disuse," so I do not doubt it has been with instincts ; but I believe the effects of habit are of quite subordinate importance to the effects of tho natural...
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The Darwinian Theory of the Transmutation of Species

Robert Mackenzie Beverley - 1867 - 406 lehte
...and continually accumulating variations of instinct to any extent that was profitable. It is thus, I believe, that all the most complex and wonderful instincts have originated ' (229). ' Surely,' says M. Flourens, ' we cannot take this as meant to be serious : Natural Selection...
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The Darwinian Theory of the Transmutation of Species

Robert Mackenzie Beverley - 1867 - 598 lehte
...and continually accumulating variations of instinct to any extent that was profitable. It is thus, I believe, that all the most complex and wonderful instincts have originated ' (229). ' Surely,' says M. Flourens, ' we cannot take this as meant to be serious : Natural Selection...
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What is Darwinism?

Charles Hodge - 1874 - 190 lehte
...see no difficulty in natural selection preserving and continually accumulating variations of instinct to any extent that was profitable. It is thus, as...all the most complex and wonderful instincts have arisen." (p. 257) He was rather unguarded in saying that he, saw no difficulty in accounting for the...
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On the origin of species by means of natural selection ; or, The ...

Charles Darwin - 1875 - 504 lehte
...see no difficulty in natural selection preserving and continually accumulating variations of instinct to any extent that was profitable. It is thus, as I believe, that all tho most complex and wonderful instincts have originated. As modifications of corporeal structure arise...
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All the Articles of the Darwin Faith

Francis Orpen Morris - 1877 - 56 lehte
...selection preserving and accumulating variations of instinct to any extent that was profitable. It is thus I believe that all the most complex and wonderful instincts have originated." Once on a time, I mean, bees had no such instincts as they have now ; nor had ants, nor migratory birds....
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Humboldt Library of Popular Science Literature, 2. köide,37–48. number

1879 - 614 lehte
...and continually accumulating variations of instinct to any extent that was profitable. It is thus, I believe, that all the most complex and wonderful instincts have originated." Briefly, then, in Mr. DARWIN'S view, instincts may arise by lapsing intelligence, by natural selection...
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