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... Functional Neurobiology of Aging - Стр. 6редактор(ы): - 2001 - Страниц: 960Ограниченный просмотр - Подробнее о книге
| 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,...varying conditions of life, will have a better chance of surviving, and thus be naturally selected.' We learn in this passage that 'the beings are said by Mr.... | |
| 1860 - Страниц: 910
...Mr. Darwin, "are born than can possibly survive; and as, consequently there is a frequently recurring struggle for existence, it follows that any being,...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
...each species are born than can possibly survive, and as, consequently, there is a frequently recurring struggle for existence, it follows that any being,...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 - 1861 - Страниц: 470
...species are born than can possibly survive ; and as, consequently, there is a frequently recurring struggle for existence, it follows that any being,...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... | |
| Charles Darwin - 1864 - Страниц: 472
...species are born than can possibly survive ; and as, consequently, there is a frequently recurring struggle for existence, it follows that any being,...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... | |
| Charles Darwin - 1866 - Страниц: 668
...each species are born than can possibly survive; and as, consequently, there is a frequently recurring struggle for existence, it follows that any being,...varying conditions of life, will have a better chance of surviving, and thus be naturally selected. From the strong principle of inheritance, any selected variety... | |
| Henry A. DuBois - 1866 - Страниц: 112
...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,...varying conditions of life, will have a better chance of surviving, and thus be naturally selected. From the strong principle of inheritance, any selected variety... | |
| 1866 - Страниц: 694
...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,...varying conditions of life, will have a better chance of surviving, and thus be naturally selected. From the strong principle ot inheritance, any selected variety... | |
| H. Charlton Bastian - 1872 - Страниц: 824
...5th ed., Introduction. can possibly survive, and as, consequently, there is a frequently recurring struggle for existence, it follows that any being,...varying conditions of life, will have a better chance of surviving, and thus be naturally selected. From the strong principle of inheritance, any selected variety... | |
| H. Charlton Bastian - 1872 - Страниц: 862
...Introduction. can possibly survive, and as, consequently, there is a frequently recurring st1uggle for existence, it follows that any being, if it vary,...varying conditions of life, will have a better chance of surviving, and thus be naturally selected. From the strong principle of inheritance, any selected variety... | |
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