Пошук Зображення Карти Play YouTube Новини Gmail Диск Більше »
Увійти
Книги Книги
" The key is man's power of accumulative selection: nature gives successive variations; man adds them up in certain directions useful to him. In this sense he may be said to have made for himself useful breeds. "
Darwinism Stated by Darwin Himself: Characteristic Passages from the ... - Сторінка 72
автори: Charles Darwin - 1884 - 351 стор.
Повний перегляд - Докладніше про цю книгу

The Methodist Quarterly Review, Том 43

1861 - 716 стор.
...these causes of change, however, man's power of accumulative selection predominates. (Pp. 44, 45.) "Nature gives successive variations; man adds them...directions useful to him. In this sense, he may be said to make for himself useful breeds." (P. 34-.) In this manner new races or varieties are produced within...
Повний перегляд - Докладніше про цю книгу

Gardener's & Farmer's Reason why ...

Robert Kemp Philp - 1860 - 360 стор.
...purposes, or so beautiful in his eyes, we must, I think, look further than to mere variability. We cannot suppose that all the breeds were suddenly produced...perfect and as useful as we now see them ; indeed, in several cases, we know that this has not been their history. The key is man's power of accumulative...
Повний перегляд - Докладніше про цю книгу

The North British Review, Томи 32 – 33

1860 - 656 стор.
...he leaves a contrary impression in the mind of the trusting reader. " We cannot suppose," he says, "that all the breeds were suddenly produced as perfect and as useful as we now see them; indeed, in several cases, we know that this has not been their history. The key is man's power of accumulative...
Повний перегляд - Докладніше про цю книгу

The Canadian Naturalist and Geologist, Том 5

1860 - 512 стор.
...mazes in which he henceforth continues to wander. He attributes the varieties of domestic animals to "Man's power of accumulative selection ; nature gives...adds them up in certain directions useful to him." We object to this, as altogether a partial and imperfect statement. It is not nature that gives the...
Повний перегляд - Докладніше про цю книгу

Methodist Magazine and Quarterly Review, Том 13;Том 21;Том 43

1861 - 716 стор.
...these causes of change, however, man's power of accumulative selection predominates. (Pp. 44, 45.) " Nature gives successive variations ; man adds them...directions useful to him. In this sense, he may be said to make for himself useful breeds." (P. 34.) In this manner new races or varieties are produced within...
Повний перегляд - Докладніше про цю книгу

On the Origin of Species by Means of Natural Selection; Or, The Preservation ...

Charles Darwin - 1861 - 470 стор.
...purposes, or so beautiful in his eyes, we must, I think, look further than to mere variability. We cannot suppose that all the breeds were suddenly produced...perfect and as useful as we now see them ; indeed, in several cases, we know that this has not been their history. The key is man's power of accumulative...
Повний перегляд - Докладніше про цю книгу

On the Origin of Species by Means of Natural Selection: Or, The Preservation ...

Charles Darwin - 1864 - 472 стор.
...purposes, or so beautiful in his eyes, we must, I think, look further than to mere variability. We cannot suppose that all the breeds were suddenly produced...perfect and as useful as we now see them ; indeed, in several cases, we know that this has not been their history. The key is man's power of accumulative...
Повний перегляд - Докладніше про цю книгу

On the Origin of Species by Means of Natural Selection, Or, The Preservation ...

Charles Darwin - 1866 - 668 стор.
...purposes, or so beautiful in his eyes, we must, I think, look further than to mere variability. We cannot suppose that all the breeds were suddenly produced...useful as we now see them ; indeed, in many cases, wo know that this has not been their history. The key is man's power of accumulative selection : nature...
Повний перегляд - Докладніше про цю книгу

The American Naturalist, Том 44

1910 - 784 стор.
...evidence accumulated, was convinced that the improved breeds had been obtained in this manner. He says : We can not suppose that all the breeds were suddenly...may be said to have made for himself useful breeds.' 1 Contribution VI, Laboratory Experimental Plant -breeding, Cornell University. The writer expects...
Повний перегляд - Докладніше про цю книгу

The American Naturalist, Том 44

1910 - 828 стор.
...evidence accumulated, was convinced that the improved breeds had been obtained in this manner. He says : We can not suppose that all the breeds were suddenly...sense he may be said to have made for himself useful breeds.1 1 Contribution VI, Laboratory Experimental Plant-breeding, Cornell University. The writer...
Повний перегляд - Докладніше про цю книгу




  1. Моя бібліотека
  2. Довідка
  3. Розширений пошук книг
  4. Завантажити ePub
  5. Завантажити файл PDF