 | Charles Darwin, Frederick Burkhardt - 1985 - Страниц: 726
...some slight variation, occasionally in all parts: & I think it can be shown that changed conditions of existence is the main cause of the child not exactly resembling its parents; & in nature geology shows us what changes have taken place & are taking place. We have almost unlimited... | |
 | Charles Darwin - 1996 - Страниц: 382
...some slight variation, occasionally in all parts: & I think it can be shown that changed conditions of existence is the main cause of the child not exactly resembling its parents; & in nature geology shows us what changes have taken place & are taking place. We have almost unlimited... | |
 | Charles Darwin - 1998 - Страниц: 288
...variations, occasionally in all parts: and I think it can be shown that a change in the conditions of existence is the main cause of the child not exactly...but a practical geologist can fully appreciate this: tlunk of the Glacial period, during the whole of which the same species of shells at least have existed;... | |
 | Charles Darwin - 2003 - Страниц: 676
...variations, occasionally in all parts: and I think it can be shown that a change in the conditions of existence is the main cause of the child not exactly...period, during the whole of which the same species of shells at least have existed; there must have been during this period, millions on millions of generations.... | |
 | Charles Darwin - 2008 - Страниц: 29
...variations, occasionally in all parts: and I think it can be shown that a change in the conditions of existence is the main cause of the child not exactly...period, during the whole of which the same species of shells at least have existed; there must have been during this period millions on millions of generations.... | |
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I think it can be shown that changed conditions of existence is the main cause of the child not exactly resembling its parents; and in nature geology shows us what changes have taken place, and are taking place. We have almost unlimited time; no one but... 
