 | Discovery - 36 페이지
...frequently recurring struggle for existence, it follows that any being, if it vary in any manner Hfc profitable to itself, under the complex and sometimes...varying conditions of life, will have a better chance ofsun'ival and thus be naturally selected. From the strong principle of inheritance, any selected variety... | |
 | George Lee Servoss - 1924 - 862 페이지
...possibly survive ; and as, consequently, there is a frequently recurring struggle (against disease) it follows that any being if it vary however slightly in any manner (unprofitable) to itself (and aiding the growth of parasites and bacteria) will have a better chance... | |
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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 straggle for existence, it follows that any being, if it vary however slightly in any manner profitable to itself, under... 
