Darwiniana: Essays |
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But, on the other hand, if the conditions of life change in any degree, however
slight, B may no longer be that form which is best adapted to withstand their
destructive, and profit by their sustaining, influence; in which case if it should give
rise to ...
But, on the other hand, if the conditions of life change in any degree, however
slight, B may no longer be that form which is best adapted to withstand their
destructive, and profit by their sustaining, influence; in which case if it should give
rise to ...
29 페이지
... a structureless sac, enclosing a glairy fluid, holding granules in suspension."
But strange possibilities lie dormant in that semi-fluid globule. Let a moderate
supply of warmth reach its watery cradle, and the plastic matter undergoes
changes ...
... a structureless sac, enclosing a glairy fluid, holding granules in suspension."
But strange possibilities lie dormant in that semi-fluid globule. Let a moderate
supply of warmth reach its watery cradle, and the plastic matter undergoes
changes ...
36 페이지
Doubtless there were determining causes for these as for all other phaenomena;
but they do not appear, and we can be tolerably certain that what are ordinarily
understood as changes in physical conditions, as in climate, in food, or the like, ...
Doubtless there were determining causes for these as for all other phaenomena;
but they do not appear, and we can be tolerably certain that what are ordinarily
understood as changes in physical conditions, as in climate, in food, or the like, ...
43 페이지
And it is most remarkable and instructive to observe, that none of these races can
be shown to have been originated by the action of changes in what are
commonly called external circumstances, upon the wild rock-pigeon. On the
contrary ...
And it is most remarkable and instructive to observe, that none of these races can
be shown to have been originated by the action of changes in what are
commonly called external circumstances, upon the wild rock-pigeon. On the
contrary ...
48 페이지
... only slightly different, is favourable to the vigour and fertility of the offspring ;
and that slight changes in the conditions of life are apparently favourable to the
vigour and fertility of all organic beings. It is not surprising that the degree of
difficulty ...
... only slightly different, is favourable to the vigour and fertility of the offspring ;
and that slight changes in the conditions of life are apparently favourable to the
vigour and fertility of all organic beings. It is not surprising that the degree of
difficulty ...
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able action adapted admit animals appears authority become believe better body breed called causes changes character common complete consider course creation cross Darwin deposited direct distinct doctrine doubt effect evidence evolution existence experiments expression fact favour force forms further germ give given groups hand horse hypothesis important influence kind knowledge known laws less living matter means mind modification natural natural selection objections observation once operation opinion organic Origin of Species parent particular persons phenomena plants position possible present principles probably produced Professor prove question races reason record relations remains remarkable respect result scientific selective breeding sense similar sort structure suppose term theory thing thought tion true variation varieties vary views whole writer
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| 제목 | Darwiniana: Essays 2권/Collected essays by T.H. Huxley 2권/Collected essays 2권/Essays, Thomas Henry Huxley |
| 저자 | Thomas Henry Huxley |
| 발행인 | Appleton, 1894 |
| 길이 | 475페이지 |
| 서지정보 내보내기 | BiBTeX EndNote RefMan |