 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...  Fraser's Magazine - 185. oldal1860Teljes nézet - Információ erről a könyvről
 | George Herbert Carpenter - 1928 - 534 oldal
...and will generally be inherited by the offspring." A creature which inherits favourable variations " will have a better chance of surviving and thus be naturally selected." The theory of natural selection is not difficult to understand, and the process is certainly going... | |
 | Royal Society of Edinburgh - 1862 - 552 oldal
...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. From the strong principle of inheritance any selected variety will tend to propagate its new and modified... | |
 | Osborn Zoological Laboratory - 1921 - 448 oldal
...each species are born than can possibly survive, and as, consequently, there is frequently recurring struggle for existence, it follows that any being,...chance of surviving, and thus be naturally selected. From the strong principle of inheritance any selected variety will tend to propagate its new and modified... | |
 | James McKeen Cattell - 1921 - 596 oldal
...each species are born than can possibly survive, and as, consequently, there is frequently recurring struggle for existence, it follows that any being,...chance of surviving, and thus be naturally selected. From the strong principle of inheritance any selected variety will tend to propagate its new and modified... | |
 | David L. Hull - 1990 - 600 oldal
...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. From the strong principle of inheritance, any selected variety will tend to propagate its new and modified... | |
 | John Bowlby - 1992 - 532 oldal
...individuals of each species are born than can 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. From the strong principle of inheritance, any selected variety will tend to propagate its new and modified... | |
 | Peter Gay - 1993 - 724 oldal
...than can possibly survive," he had asserted, "and as, consequently, there is a frequently recurring struggle for existence, it follows that any being,...a better chance of surviving and thus be naturally selected"2* Social theorists in search of an authoritative foundation for their ideas thought they... | |
 | Jack E. Staub - 1994 - 390 oldal
...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 somewhat varying conditions of life, will have a better chance of surviving, and thus be naturally... | |
 | Charles Darwin - 1996 - 382 oldal
...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. From the strong principle of inheritance, any selected variety will tend to propagate its new and modified... | |
 | Charles Darwin - 1998 - 486 oldal
...each species are born than can possibly survive; and as, consequendy, there is a frequendy recurring struggle for existence, it follows that any being, if it vary however slighdy in any manner profitable to itself, under the complex and sometimes varying conditions of life,... | |
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