 | Charles Darwin - 1866 - 668 sayfa
...valleys or to the formation of the longest lines of inland cliff's. Natural selection can act only by the preservation and accumulation of small inherited...modifications, each profitable to the preserved being; and as modern geology has almost banished such views as the excavation of a great valley by a single... | |
 | 1874 - 532 sayfa
...supervenes, and those to whom the favorable quality has been transmitted in excess will assuredly triumph. It is easy to see that we have here the addition of...imaginary, but with true causes ; nor can we fail to diicern what vast modifications may be produced by natural selection in periods sufficiently long.... | |
 | Sir Norman Lockyer - 1874 - 562 sayfa
...still more rigorously carried out than in the case of domestication ; for not only are unfavourable specimens not selected by nature, but they are destroyed....is here dealing, not with imaginary, but with true cause; ; nor can we fail to discern what vast modifications may be produced by natural selection in... | |
 | 1875 - 360 sayfa
...supervenes, and those to whom the favourable quality has been transmitted in excess will assuredly trinmph. This is what Mr. Darwin calls " Natural Selection,"...modifications, each profitable to the preserved being." If Darwin, like Bruno, rejects the notion of creative power acting after human fashion, it certainly... | |
 | Robert Fowler - 1875 - 586 sayfa
...working out this selection, and во fixing and augmenting these improvments. A condition of Nature which acts by the preservation and accumulation of...modifications, each profitable to the preserved being. — Darwin, Na'turalist (L. natura, nature). One that studies, or is versed iu, Natural History. Naturalized... | |
 | Charles Darwin - 1875 - 504 sayfa
...of the deepest valleys or the formation of long lines of inland cliffs. Natural selection acts only by the preservation and accumulation of small inherited...modifications, each profitable to the preserved being ; and as nv.dern geology has almost banished such views as the excavation of a great valley by a single... | |
 | Alexander Wilford Hall - 1877 - 546 sayfa
...the preservation and accumulation of variations which are beneficial. " " Natural selection acts only by the preservation and accumulation of small inherited...modifications, each profitable to the preserved being." — Origin of Sptciet, pp. 75, 97. Now, how simple a process it proves to be to "break down" this theory... | |
 | Alexander Wilford Hall - 1880 - 544 sayfa
...preservation and accumulation of variations which are beneficial." ' ' Natural selection acts only\ry the preservation and accumulation of small inherited...modifications, each profitable to the preserved being." — Origin of Species, pp. 75, 97. Now, how simple a process it proves to be to "break down" this theory... | |
 | Alexander Wilford Hall - 1883 - 552 sayfa
...having tome advantage over other forms in the struggle for existence." "Natural selection acts only by the preservation and accumulation of small inherited modifications, each profitable to tAe preserved teiitg." — Origin of Species, pp. 75, 96. Then, it is clear, since it would not profit... | |
 | George Frederick Wright - 1882 - 418 sayfa
...variation that is advantageous to it is by exceedingly minute steps, and that " natural selection acts only by the preservation and accumulation of small inherited...modifications, each profitable to the preserved being ; and as modern geology has almost banished such views as the excavation of a great valley by a single... | |
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Natural selection acts only by the preservation and accumulation of small inherited modifications, each profitable to the preserved being... 
