 | D'Arcy Wentworth Thompson - 1992 - 376 페이지
...interesting paper by James Macdonald, 'On the Form of Coniferous Trees', Forestry, 6 (1931/2), 1 and 2. against the surrounding agencies that are ever tending...physical forces. Any changes, therefore, in such external conditions as a species may have been originally adapted to exist in, will militate against that existence... | |
 | 998 페이지
...is the difficulty of the contest which, as a living organised whole, the individual of such species has to maintain against the surrounding agencies that...against that existence in a degree proportionate, perhaps in a geometrical ratio, to the bulk of the species. If a dry season be gradually prolonged,... | |
 | 1858 - 950 페이지
...is the difficulty of the contest which, as a living organized whole, the individual of such species has to maintain against the surrounding agencies that...against that existence in a degree proportionate, perhaps in a geometrical ratio, to the bulk of the species. If a dry season be gradually prolonged,... | |
 | 1852 - 960 페이지
...surrounding influences which are ever tending to dissolve the vital bond, and subjugate the organized matter to the ordinary chemical and physical forces. Any changes, therefore, in the external circumstances in which a species may have been created to exist, will militate against... | |
| |
... species has to maintain against the surrounding agencies that are ever tending to dissolve the vital bond and subjugate the living matter to the ordinary chemical and physical forces. 
