| 1894 - 1218 páginas
...others, would have the best chance of surviving and of procreating their kind ?" "This preservation of favorable individual differences and variations, and the destruction of those which are injurious, I have called Natural Selection, or the Survival of the Fittest." This, then, is Darwinism — that... | |
| Alexander Wilford Hall - 1880 - 544 páginas
...variations as arise and are beneficial to the being under its conditions of life." "This preservation of favorable individual differences and variations and the destruction of those which are injurious [like a toothless upper jaw] I have called natural selection or the survival of the fittest." "Natural... | |
| Alexander Wilford Hall - 1877 - 546 páginas
...be rigidly destroyed. [Why has it not " rigidly " destroyed the camel's hump?] This preservation of favorable individual differences and variations and the destruction of those which are injitrious I have called natural selection or survival of the fittest." — Origin of Species, p. 63.... | |
| John Ogilvie - 1883 - 830 páginas
...their descendants of useful variations arising in animals or plant*. This preservation of favourable individual differences and variations, and the destruction of those which Are injurious, I have called Natttral S*ltctu>n, or the Survival of the Fittest. . . . Several writers have misapprehended... | |
| John Ogilvie - 1883 - 834 páginas
...their descendants of useful variations arising in animals or plants. This preservation of favourable individual differences and variations, and the destruction of those which are Injurious, I have called Natural Selection, or the Survival of the Fittest. . . . Several writers ha ve misapprehended... | |
| Charles Darwin - 1883 - 494 páginas
...variation in the least degree injurious would be rigidly destroyed. This preservation of favourable individual differences and variations, and the destruction of those which are injurious, I have called Natural Selection, or the Survival of the Fittest. Variations neither useful nor injurious... | |
| Irish ecclesiastical record - 1884 - 840 páginas
...variation in the least degree injurious would be rigidly destroyed. This preservation of favourable individual differences and variations, and the destruction of those which are injurious, I have called natural selection, or the survival of the fittest." These extracts contain the principles... | |
| 1891 - 208 páginas
...saving variations which are " beneficial," while he repeatedly tells us tiiat "This preserv,,tii'n of favorable Individual differences and variations, and the destruction of those which are injurious [such as partly developed wings, which could be of no service,] I have called natural selection or... | |
| Jacob Gould Schurman - 1887 - 292 páginas
...useful to it under the actual conditions of existence. Or, in Darwin's own words, " This preservation of favorable individual differences and variations, and the destruction of those which are injurious, I have called Natural Selection, or the Survival of the Fittest." The process, therefore, does not... | |
| Conwy Lloyd Morgan - 1891 - 544 páginas
...variation in the least degree injurious would be rigidly destroyed. This preservation of favourable individual differences and variations, and the destruction of those which are injurious, I have called Natural Selection, or the Survival of the Fittest. Variations neither useful nor injurious... | |
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