 | 1861 - 824 lehte
...variations in the least degree injurious, would be rigidly destroyed. This preservation of favorable variations and the rejection of injurious variations,...undergo a change, and some species might become extinct. If the country were open on its borders, new forms would certainly immigrate, and this also would seriously... | |
 | John Watts - 1865 - 206 lehte
...we may feel sure that any variation, in the least degree injurious, would be rigidly destroyed. The preservation of favourable variations and the rejection...change, for instance, of climate. The proportional number of its inhabitants would almost immediately undergo a change, and some species might become... | |
 | Charles Darwin - 1866 - 668 lehte
...events as ascertained by us. With a little familiarity such superficial objections will be forgotten. We shall best understand the probable course of natural...selection by taking the case of a country undergoing some slight physical change, for instance, of climate. The proportional numbers of its inhabitants would... | |
 | Charles Darwin - 1870 - 468 lehte
...that many more individuals are born than can possibly survive) that individuals having any advantage, however slight, over others, would have the best chance...for instance, of climate. The proportional numbers ot its inhabitants would almost immediately undergo a change, and some species might become extinct.... | |
 | Charles Darwin - 1875 - 504 lehte
...events as ascertained by us. With a little familiarity »uch superficial objections will be forgotten. We shall best understand the probable course of natural...selection by taking the case of a country undergoing some slight physical change, for instance, of climate. The proportional numbers of its inhabitants will... | |
 | Charles Darwin - 1882 - 494 lehte
...events as ascertained by us. With a little familiarity such superficial objections will be forgotten. We shall best understand the probable course of natural selection by taking the case of a country undergomg some slight physical change, for instance, of climate. The proportional numbers cf it* inhabitants... | |
 | Charles Darwin - 1896 - 408 lehte
...events as ascertained by us. With a little familiarity such superficial objections will be forgotten. We shall best understand the probable course of natural...selection by taking the case of a country undergoing some slight physical change, for instance, of climate. The proportional numbers of its inhabitants will... | |
 | Charles Darwin - 1896 - 406 lehte
...events as ascertained by us. With a little familiarity such superficial objections will be forgotten. We shall best understand the probable course of natural...selection by taking the case of a country undergoing some slight physical change, for instance, of climate. The proportional numbers of its inhabitants will... | |
 | Charles Dudley Warner - 1897 - 494 lehte
...events as ascertained by us. With a little familiarity such superficial objections will be forgotten. We shall best understand the probable course of Natural...Selection by taking the case of a country undergoing some slight physical change; for instance, of climate. The proportional numbers of its inhabitants will... | |
 | Charles Dudley Warner - 1897 - 492 lehte
...understand the probable course of Natural Selection by taking the case of a country undergoing some slight physical change; for instance, of climate. The proportional numbers of its inhabitants will almost immediately undergo a change, and some species will probably become extinct. We may conclude,... | |
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We shall best understand the probable course of natural selection by taking the case of a country undergoing some slight physical change, for instance, of climate. The proportional numbers of its inhabitants will almost immediately undergo a change, and... 
