The Origin of Species by Means of Natural Selection; Or, the Preservation of Favored Races in the Struggle for Life ...A.L. Burt, 1890 - 538페이지 |
도서 본문에서
42개의 결과 중 1 - 3개
17 페이지
... admit that many domestic breeds must have originated in Europe ; for whence otherwise could they have been derived ? So it is in India . Even in the case of the breeds of the domestic dog throughout the world , which I admit are ...
... admit that many domestic breeds must have originated in Europe ; for whence otherwise could they have been derived ? So it is in India . Even in the case of the breeds of the domestic dog throughout the world , which I admit are ...
241 페이지
... admit that these great and sudden transformations have left no trace of their action on the embryo . To admit all this is , as it seems to me , to enter into the realms of miracle , and to leave those of science . CHAPTER VIII ...
... admit that these great and sudden transformations have left no trace of their action on the embryo . To admit all this is , as it seems to me , to enter into the realms of miracle , and to leave those of science . CHAPTER VIII ...
497 페이지
... admit that one species has given birth to other and distinct species , is that we are always slow in admitting great changes of which we do not see the steps . The difficulty is the same as that felt by so many geologists , when Lyell ...
... admit that one species has given birth to other and distinct species , is that we are always slow in admitting great changes of which we do not see the steps . The difficulty is the same as that felt by so many geologists , when Lyell ...
기타 출판본 - 모두 보기
자주 나오는 단어 및 구문
adapted admit affinities allied species America ancient appear Asa Gray beak become bees believe belonging birds breeds cause cells characters climate closely allied color continued crossed crustaceans degree developed difficulty distinct species divergence domestic doubt effects eggs embryo existing extinct extremely facts favorable fertility flowers formation forms fossil Fritz Müller genera genus geological geological period Glacial period gradations greater number groups of species habits Hence hybrids hybrids produced important individuals inhabitants inherited insects instance instincts intercrossing intermediate intervals kind lamellæ larvæ less living male mammals manner marsupials migration modified descendants natural selection naturalists nearly nest occasionally oceanic islands offspring organs parent peculiar perfect pigeons pistil pollen present principle probably produced quadrupeds ranked remarked resemblance rudimentary seeds sexual selection Silurian slight South America stamens sterility structure successive suppose tend theory tion variability variations varieties vary whole widely different wings young