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Books Books 11 - 20 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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Scientific Sophisms: A Review of Current Theories Concerning Atoms, Apes ...

Samuel Wainwright - Evolution - 1881 - 310 pages
...transformations due to unlimited modifiability. " Under changed conditions of life," says Mr. Darwin, " it is at least possible that slight modifications...shown that instincts do vary ever so little, then / can see no difficulty in Natural Selection preserving and continually accumulating variations of...
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Charles Darwin: Memorial Notices Reprinted from "Nature."

Geology - 1882 - 82 pages
...important as corporeal structures for the welfare of each species, under its present conditions of life. Under changed conditions of life, it is at least possible...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."...
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Nature, Volume 26

Sir Norman Lockyer - Electronic journals - 1882
...important as corporeal structures for the welfare of each species, under its present conditions of life. Under changed conditions of life, it is at least possible...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."...
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Nature, Volume 26

Sir Norman Lockyer - Electronic journals - 1882
...important as corporeal structures for the welfare of each% species, under its present conditions of life. Under changed conditions of life, it is at least possible...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."...
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Nature, Volume 26

Sir Norman Lockyer - Electronic journals - 1882
...important as corporeal structures for the welfare of each species, under its present conditions of life. Under changed conditions of life, it is at least possible...species ; and if it can be shown that instincts do varyever so little, then I can see no difficulty in natural selection preserving and continually accumulating...
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The Ethical Import of Darwinism

Jacob Gould Schurman - Electronic book - 1887 - 264 pages
...Darwin. Divorcing his science therefrom, he elsewhere admirably describes his position in these words : " If it can be shown that instincts do vary ever so...accumulating variations of instinct to any extent that was profitable. It is thus, as I believe, that all the most complex and wonderful instincts have originated."...
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The Ethical Import of Darwinism

Jacob Gould Schurman - Ethics, Evolutionary - 1887 - 264 pages
...admirably describes his position in these words: " If it can be shown that instincts do vary ever BO little, then I can see no difficulty in Natural Selection...accumulating variations of instinct to any extent that was profitable. It is thus, as I believe, that all the most complex and wonderful instincts have originated."...
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The American Journal of Psychology, Volume 11

Karl M. Dallenbach, Madison Bentley, Edwin Garrigues Boring, Margaret Floy Washburn - Psychology - 1900
...important as corporeal structures for the welfare of the species, under its present conditions of life. Under changed conditions of life, it is at least possible...slight modifications of instinct might be profitable for the species; and if it can be shown that instincts do vary ever so little, then I can see no difficulty...
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The Encyclopaedia Britannica: A Dictionary of Arts, Sciences, and ..., Volume 13

Encyclopedias and dictionaries - 1888
...structures for the vellora of each species ппНяг its present conditions of life. Under chanced conditions of life it is. at least possible that slight...that instincts do vary ever so little, then I can sou Ho difficulty in natural selection preserving and continually accumulating variations of instinct...
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The Century Dictionary: An Encyclopedic Lexicon of the English Language, Part 11

William Dwight Whitney - Encyclopedias and dictionaries - 1889
...Important as corporeal structures for the welfare of each species under its present conditions of life. Under changed conditions of life It Is at least possible that slight modltlinstinct cations of instinct might be profitable to a species ; and If It can be shown that instincts...
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