The origin of species by means of natural selectionРипол Классик, 1929 - 454페이지 |
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70개의 결과 중 1 - 5개
11 페이지
... seen, and ' be hereafter briefly mentioned. I will ere only allude to what may be called correlation of growth. Any change in the emb 0 or larva will almost certainly entail chan es in t e mature animal. In monstrosities, the corre ...
... seen, and ' be hereafter briefly mentioned. I will ere only allude to what may be called correlation of growth. Any change in the emb 0 or larva will almost certainly entail chan es in t e mature animal. In monstrosities, the corre ...
32 페이지
... thou the old Spanish pointer certainly came from Splain, lift. Borrow has not seen, as I am informed by im, any native dog in Spain like our pointer. By a similar palaces of selection, and by careful training, 32 ON THE ORIGIN OF SPECIES.
... thou the old Spanish pointer certainly came from Splain, lift. Borrow has not seen, as I am informed by im, any native dog in Spain like our pointer. By a similar palaces of selection, and by careful training, 32 ON THE ORIGIN OF SPECIES.
34 페이지
... seen great surprise expressed in horticultural works at the wonderful skill of gardeners, in having produced such splendid results fr0m such poor materials; at the art, I cannot doubt, has been simple, and, as far as the final result is ...
... seen great surprise expressed in horticultural works at the wonderful skill of gardeners, in having produced such splendid results fr0m such poor materials; at the art, I cannot doubt, has been simple, and, as far as the final result is ...
38 페이지
... seen it gravely remarked, t at it was most fortunate that the strawberry began to vary just when gardeners began to attend closely to this plant. No doubt the strawberry had always varied since it was cultivated, but the slight ...
... seen it gravely remarked, t at it was most fortunate that the strawberry began to vary just when gardeners began to attend closely to this plant. No doubt the strawberry had always varied since it was cultivated, but the slight ...
48 페이지
... and exterminate the parent species; or both mig t co-exist, and both rank as independent s cies. But we shall hereafter have to return to this subject. From these remarks it will be seen that I look 48 ON THE ORIGIN OF SPECIES.
... and exterminate the parent species; or both mig t co-exist, and both rank as independent s cies. But we shall hereafter have to return to this subject. From these remarks it will be seen that I look 48 ON THE ORIGIN OF SPECIES.
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