 | 1860 - 860 стор.
...frequently-recurring struggle for existence, it follows that any being, if it vary, however slightly, in any manner profitable to itself under the complex and sometimes...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 - 890 стор.
...profitable to itself, under the complex and somctimes varying conditions of life, will have a bctter chance of surviving, and thus be naturally selected....From the strong principle of inheritance any selected varicty will tend to propagate its new and modified form." The argument proceeds by bringing into notice... | |
 | 1860 - 910 стор.
...however slightly, in any manner profitable 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 strung principle of inheritance, any selected variety will tend to propagate its... | |
 | Charles Darwin - 1861 - 470 стор.
...the complex and sometimes varying con ditions of life, will have a better chance of surviving, ano thus be naturally selected. From the strong principle...of inheritance, any selected variety will tend to propagatr its new and modified form. This fundamental subject of Natural Selection will be treated... | |
 | Charles Darwin - 1864 - 472 стор.
...the complex and sometimes varying con ditions of life, will have a better chance of surviving, ano thus be naturally selected. From the strong principle...tend to propagate its new and modified form. This fundamental subject of Natural Selection will be treated at some length in the fourth chapter ; and... | |
 | Charles Darwin - 1866 - 668 стор.
...recurring struggle for existence, it follows that any being, if it vary however slightly in any manner profitable to itself, under the complex and sometimes...tend to propagate its new and modified form. This fundamental subject of Natural Selection will be treated at some length in the fourth chapter ; and... | |
 | Henry A. DuBois - 1866 - 112 стор.
...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...will tend to propagate its new and modified form." p. 12. From this it is manifest that natural selection is made dependent upon " chance."' At the conclusion... | |
 | Henry Mills Alden, Frederick Lewis Allen, Lee Foster Hartman, Thomas Bucklin Wells - 1868 - 828 стор.
...universal and coustant, he calls Natural Selection. Then from the strong principle of inheritance every selected variety will tend to propagate its new and modified form. This selection, which saves the strong and destroys the weak, improves the stock, and this improvement long... | |
 | Henry Mills Alden, Frederick Lewis Allen, Lee Foster Hartman, Thomas Bucklin Wells - 1868 - 844 стор.
...universal and constant, he calls Natural Selection. Then from the strong principle of inheritance every selected variety will tend to propagate its new and modified form. This selection, which saves the strong and destroys the weak, improves the stock, and this improvement long... | |
 | 1866 - 694 стор.
...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...thus be naturally selected. From the strong principle ot inheritance, any selected variety will tend to propagate its new and modified form." p. 12. From... | |
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As many more individuals of each species are born than can possibly survive; and as, consequently, there is a frequently recurring struggle for existence, it follows that any being, if it vary however slightly in any manner profitable to itself, under... 
