검색 이미지 지도 Play YouTube 뉴스 Gmail 드라이브 더보기 »
로그인
도서 Just as man can improve the breed of his gamecocks by the selection of those birds...에 대해 검색한 12개 도서 중 1 - 10
" Just as man can improve the breed of his gamecocks by the selection of those birds which are victorious in the cockpit, so it appears that the strongest and most vigorous males, or those provided with the best weapons, have prevailed under nature, and... "
The Law of Heredity: A Study of the Cause of Variation, and the Origin of ... - 233 페이지
저자: William Keith Brooks - 1883 - 336 페이지
전체보기 - 도서 정보

The Descent of Man, and Selection in Relation to Sex

Charles Darwin - 1871 - 475 페이지
...for emitting odours ; most of these latter structures serving only to allure or excite the female. That these characters are the result of sexual and...sexual selection ; and it is certain that secondary sexua] characters are eminently variable. In the same manner as man can give beauty, according to his...
전체보기 - 도서 정보

Darwinism and Design; Or, Creation by Evolution

George St. Clair - 1873 - 259 페이지
...nature female birds, by having long selected the more attractive males, have added to their beauty. In the same manner as man can improve the breed of...secondary sexual characters are eminently variable. The Accumulation of Variations by Natural Selection (or the Struggle for Existence}. — The cases...
전체보기 - 도서 정보

Darwinism and Design; Or, Creation by Evolution

George St. Clair - 1873 - 259 페이지
...nature female birds, by having long selected the more attractive males, have added to their beauty. In. the same manner as man can improve the breed of...some advantage, however slight, would suffice for the Mrork of sexual selection ; and it is certain that secondary sexual characters are eminently variable....
전체보기 - 도서 정보

The Descent of Man: And Selection in Relation to Sex

Charles Darwin - 1874 - 705 페이지
...instinct, they know what they are about, and consciously exert their mental and bodily powers. Just as man can improve the breed of his game-cocks by...to the improvement of the natural breed or species. A slight degree of variability leading to some advantage, however slight, in reiterated deadly contests...
전체보기 - 도서 정보

Charles Darwin's Works: The descent of man and seletion in relation to sex

Charles Darwin - 1896
...his game-cocks by the selection of those birds which are victorious in the cockpit, so it apj>ears that the strongest and most vigorous males, or those...to the improvement of the natural breed or species. A slight degree of variability leading to some advantage, however slight, in reiterated deadly contests...
전체보기 - 도서 정보

Selections from "The Origin of Species", "The Descent of Man", "The ...

Charles Darwin - 1902 - 213 페이지
...instinct, they know what they are about, and consciously exert their mental and bodily powers. Just as man can improve the breed of his game-cocks by...and have led to the improvement of the natural breed of species. A slight degree of variability leading to some advantage, however slight, in reiterated...
전체보기 - 도서 정보

Evolution and adaptation

Thomas Hunt Morgan - 1903 - 470 페이지
...this process and that of artificial selection may be gathered from the following statement : — "Just as man can improve the breed of his game-cocks by...to the improvement of the natural breed or species. A slight degree of variability leading to some advantage, however slight, in reiterated deadly contests...
전체보기 - 도서 정보

Library of universal knowledge, science, 2권

1905
...inatinct, they know what they are about, and consciously exert their mental and bodily powers. Just as man can improve the breed of his game-cocks by...to the improvement of the natural breed or species. A slight degree of variability leading to some advantage, however slight, in reiterated deadly contests...
전체보기 - 도서 정보

Sociology and Social Progress: A Handbook for Students of Sociology

Thomas Nixon Carver - 1905 - 810 페이지
...instinct, they know what they are about, and consciously exert their mental and bodily powers. Just as man can improve the breed of his gamecocks by the...to the improvement of the natural breed or species. A slight degree of variability leading to some advantage, however slight, in reiterated deadly contests...
전체보기 - 도서 정보

Red Deer: Behavior and Ecology of Two Sexes

T. H. Clutton-Brock, F. E. Guinness, S. D. Albon - 1982 - 378 페이지
...indecisive fights. Mann-Whitney U test: U = 8, /z, = 17, n-, = 4, p < .02. v " i 'AN '-\i\ /t Just as man can improve the breed of his game-cocks by...with the best weapons, have prevailed under nature. Charles Darwin (1871) 7.1 INTRODUCTION As we described in the previous chapter, stags can monopolize...
일부보기 - 도서 정보




  1. 내 라이브러리
  2. 도움말
  3. 고급 도서검색
  4. ePub 다운로드
  5. PDF 다운로드