This difficulty, though appearing insuperable, is lessened, or, as I believe, disappears, when it is remembered that selection may be applied to the family, as well as to the individual, and may thus gain the desired end. Thus, a well-flavoured vegetable... On the Origin of Species by Means of Natural Selection; Or, The Preservation ... - Стр. 212авторы: Charles Darwin - 1861 - Страниц: 440Полный просмотр - Подробнее о книге
| 1860 - Страниц: 566
...hereditary transmissions ? We cannot reply ; we can only quote, with no less amazement, our author : — ' This difficulty, though appearing insuperable, is...individual, and may thus gain the desired end. Thus, a well-flavoured vegetable is cooked, and the individual is destroyed ; but the horticulturist sows seed.... | |
| 1860 - Страниц: 894
...hereditary transmissions ? We cannot reply ; we can only quote, with no less amazement, our author : — " This difficulty, though appearing insuperable, is...it is remembered that selection may be applied to tho family, as well as to the individual, and may thus gain the desired end. Thus, a well flavored... | |
| Charles Darwin - 1864 - Страниц: 472
...selection. But I must pass over this preliminary difficulty. The great difficulty lies in the working ants differing widely from both the males and the fertile...family, as well as to the individual, and may thus gam the desired end. Thus, a well-flavored vegetable is cooked, and the individual is destroyed ; but... | |
| Charles Darwin - 1866 - Страниц: 668
...with the working ant we have an insect differing greatly from its parents, yet absolutely sterile; BO that it could never have transmitted successively...individual, and may thus gain the desired end. Thus, breeders of cattle wish the flesh and fat to be well marbled together ; the animal has been slaughtered,... | |
| 1909 - Страниц: 846
...hive-bee? The answer to this query, by the way, begins with a sentence which has a very modern sound: This difficulty, though appearing insuperable, is...the individual, and may thus gain the desired end (pp. 229-230). The following utterance should be read with Darwin's main thesis in mind : If numerous... | |
| Charles Darwin - 1873 - Страниц: 492
...bulls and cows of these same breeds. Hence I can see no great difficulty in any character becoming correlated with the sterile condition of certain members...the individual, and may thus gain the desired end. Breeders of cattle wish the flesh and fat to be well marbled together : an animal thus characterised... | |
| Charles Darwin - 1882 - Страниц: 492
...sterile condition of certain members of insect-commumties : the difficulty lies in understanding bow such correlated modifications of structure could have...the individual, and may thus gain the desired end. Breeders of cattle wish the flesh and fat to be well marbled together : an animal thus characterised... | |
| Charles Darwin - 1888 - Страниц: 406
...have been slowly accumulated by natural selection. This difficulty, though appearing insuperable, » lessened, or, as I believe, disappears, when it is...the individual, and may thus gain the desired end. Breeders of cattle wish the flesh and fat to be well marbled together: an animal thus characterised... | |
| Conwy Lloyd Morgan - 1891 - Страниц: 544
...does Mr. Darwin meet this difficulty ? " It is lessened, or, as I believe, disappears," he says,* " when it is remembered that selection may be applied to the family are fertile sources of septieiomia and pyaomia — the pestilence and scoim:e so much dreaded by operative... | |
| Charles Darwin - 1896 - Страниц: 408
...bulls and cows of these same breeds. Hence I can see no great difficulty in any character becoming correlated with the sterile condition of certain members...the individual, and may thus gain the desired end. Breeders of cattle wish the flesh and fat to be well marbled together: an animal thus characterised... | |
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