| 1860 - Страниц: 860
...each species are born than can possibly survive, and as consequently there is a frequently-recurring struggle for existence, it follows that any being,...chance of surviving, and thus be naturally selected.' We learn in this passage that 'the beings are said by Mr. Darwin to be selected by nature to survive'... | |
| 1860 - Страниц: 912
...each species," gays Mr. Darwin, "are born than can possibly survive; and as, consequently there is a frequently recurring struggle for existence, it follows...to itself, under the complex and sometimes varying condition» of life, will have a better chance of surviving, and thus be naturally rlfcttd. From the... | |
| 1860 - Страниц: 890
...more individuals of each species are born than can possibly survive, and as, consequently, there is a frequently recurring struggle for existence, it follows...manner profitable to itself, under the complex and somctimes varying conditions of life, will have a bctter chance of surviving, and thus be naturally... | |
| Charles Darwin - 1864 - Страниц: 472
...more individuals of each species are born than can possibly survive ; and as, consequently, there is a frequently recurring struggle for existence, it follows...to itself, under the complex and sometimes varying con ditions of life, will have a better chance of surviving, ano thus be naturally selected. From the... | |
| Henry A. DuBois - 1866 - Страниц: 112
...— "As many more individuals are born than can possibly survive ; and as, consequently, there is a frequently recurring struggle for existence, it follows that any being, if it varies, however slightly, in any manner profitable to itself, under the complex and sometimes varying... | |
| 1866 - Страниц: 694
...— "As many more individuals are born than can possibly survive ; and as, consequently, there is a frequently recurring struggle for existence, it follows that any being, if it varies, however slightly, in any manner profitable to itself, under the complex and sometimes varying... | |
| 1873 - Страниц: 544
...more individuals of each species are born than can possibly survive ; and as consequently there is a frequently recurring struggle for existence, it follows...chance of surviving, and thus be naturally selected." In a few words, Mr. Darwin's theory is the old-fashioned theory of Maltlms pressed to its utmost limits,... | |
| Lucius Edwin Smith, Henry Griggs Weston - 1873 - Страниц: 522
...possibly survive; and, as consequently, it follows that any being, if it vary however slightly in a manner profitable to itself under the complex and...varying conditions of life, will have a better chance for surviving, and thus be naturally selected. From the strong principles of inheritance, any selected... | |
| Charles Darwin - 1882 - Страниц: 492
...more individuals of each species are born than can possibly survive ; and as, consequently, there is a frequently recurring struggle for existence, it follows...of surviving, and thus be naturally selected. From tho strong principle of inheritance, any selected variety will tend to propagate its new and modified... | |
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