The origin of species by means of natural selectionРипол Классик, 1929 - 454페이지 |
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페이지
... appear till 1859, when Darwin was over fifiy. It completely revolutimzised the sciences of Botany and Zoology, and made the doctrine of Organic Evolution, till then admitted only by a few advanced philosophical biologists, the universal ...
... appear till 1859, when Darwin was over fifiy. It completely revolutimzised the sciences of Botany and Zoology, and made the doctrine of Organic Evolution, till then admitted only by a few advanced philosophical biologists, the universal ...
8 페이지
... appearing to be far more susceptib e than any other part of the organisation, to the action of any change in the conditions of life. Nothing is more easy than to tame an animal, and few things more difficult than to get it to breed ...
... appearing to be far more susceptib e than any other part of the organisation, to the action of any change in the conditions of life. Nothing is more easy than to tame an animal, and few things more difficult than to get it to breed ...
10 페이지
... appears to be directly due to such conditions ; but in some cases it can be shown that quite opposite conditions produce similar changes of structure. Nevertheless some slight amount of change may, I think, be attributed to the direct ...
... appears to be directly due to such conditions ; but in some cases it can be shown that quite opposite conditions produce similar changes of structure. Nevertheless some slight amount of change may, I think, be attributed to the direct ...
11 페이지
... appears that white sheep and pigs are difl'erently affected from coloured individuals by certain vegetable poisons. Hairless dogs have imperfect teeth; long~haired and coarse~haired animals are apt to have, as is asserted, long or many ...
... appears that white sheep and pigs are difl'erently affected from coloured individuals by certain vegetable poisons. Hairless dogs have imperfect teeth; long~haired and coarse~haired animals are apt to have, as is asserted, long or many ...
12 페이지
... appears, and we see it in the father and child, we cannot tell whether it may not be due to the same cause having acted on both; but when amongst individuals, apparently exposed to the same conditions, any very rare deviation, due to ...
... appears, and we see it in the father and child, we cannot tell whether it may not be due to the same cause having acted on both; but when amongst individuals, apparently exposed to the same conditions, any very rare deviation, due to ...
목차
5 | |
ON was GEOLOGICAL SUCCESSION OF ORGANIC | 155 |
GEOGRAPHICAL DISTRIBUTION | 282 |
Gnoonnmcu DISTRIBUTION Continued | 302 |
RECAPITULATION AND CONCLUSION | 415 |
41 | 449 |
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자주 나오는 단어 및 구문
action adapted advantage allied America amount ancient animals appear become believe birds breeds cause characters climate closely common considered continuous crossed descendants difl'erent distinct domestic doubt evidence existing extinct extremely facts families favourable fertility find first flowers follow formations forms genera genus give given greater groups habits hand Hence hybrids important increase individuals inhabitants inherited insects instance instincts intermediate islands kind known land laws less lines living look males manner means migration modification namely natural selection naturalists nearly never observed occur organic origin parent perfect period plants points present principle probably produced range ranked reason regions remains remarked resemble seeds seems seen separated shown single slight sometimes species sterility structure struggle successive suppose tend theory tion trees variability variations varieties vary whole widely