Darwiniana: EssaysD. Appleton, 1901 - 475페이지 |
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vi 페이지
... selective breeding is definitely proved to give rise to varieties infertile with one another , the logical foundation of the theory of natural selection is incomplete . We still remain very much in the dark about the causes of variation ...
... selective breeding is definitely proved to give rise to varieties infertile with one another , the logical foundation of the theory of natural selection is incomplete . We still remain very much in the dark about the causes of variation ...
44 페이지
... selective breeding , the progeny of a common stock may become separated into groups distinguished from one another ... selection , however distinct they may appear to be , not only breed freely together , but the offspring of such ...
... selective breeding , the progeny of a common stock may become separated into groups distinguished from one another ... selection , however distinct they may appear to be , not only breed freely together , but the offspring of such ...
74 페이지
... selection ? that there is such a thing as natural selection ? that none of the phænomena exhibited by species are ... selective breeding , given rise to another group which was , even in the least degree , infertile 74 II THE ORIGIN ...
... selection ? that there is such a thing as natural selection ? that none of the phænomena exhibited by species are ... selective breeding , given rise to another group which was , even in the least degree , infertile 74 II THE ORIGIN ...
222 페이지
... selection , or survival of the fittest , was suggested by Wells in 1813 , and further elaborated by Matthew in 1831. But ... selective breeding , pursued in all its applications with marvellous knowledge and skill by Mr. Darwin , a valid ...
... selection , or survival of the fittest , was suggested by Wells in 1813 , and further elaborated by Matthew in 1831. But ... selective breeding , pursued in all its applications with marvellous knowledge and skill by Mr. Darwin , a valid ...
411 페이지
... selective breeding from accidental variation . A still more striking case of what may be done by selective breeding , and it is a better case , be- cause there is no chance of that partial infusion of error to which I alluded , has been ...
... selective breeding from accidental variation . A still more striking case of what may be done by selective breeding , and it is a better case , be- cause there is no chance of that partial infusion of error to which I alluded , has been ...
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adapted admit Agamogenesis Ancon animalcules animals and plants appears believe biology birds body called causes character Charles Darwin course creation Crustacea Darwin Darwin's views Darwinian deposited direct doctrine of evolution doubt Dysteleology endeavour epigenesis epoch Erasmus Darwin evidence ex nihilo exhibited existence extinct fact favour Flourens geological germ give rise groups horse Hyæna hypothesis inorganic world inquiry kind knowledge Lamarck laws less living Maillet male matter means Mivart modification natural selection naturalists objections observation offspring organic nature organisation Origin of Species ovum parent Paul de Longpré peculiar phenomena philosophical physiological pigeons present primitive stock principles produced Professor Quarterly Reviewer question races reason remarkable result scientific selective breeding sensations sense special creation speculations structure Suarez substantial forms suppose Teleology tendency theory thing thought tion toes variation varieties vegetabilia vegetable Wallace whole