The Origin of Species by Means of Natural Selection, Or, The Preservation of Favored Races in the Struggle for Life, 2권D. Appleton, 1896 |
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23개의 결과 중 1 - 5개
페이지
... follow the same general rules in their appear- ance and disappearance as do single species - On Extinction- On simultaneous changes in the forms of life throughout the world - On the affinities of extinct species to each other and to ...
... follow the same general rules in their appear- ance and disappearance as do single species - On Extinction- On simultaneous changes in the forms of life throughout the world - On the affinities of extinct species to each other and to ...
페이지
... follow the same general rules in their appearance and disajipearance as do single species - On ExtinctionOn simultaneous changes in the forms of life thrvughout the world - On the affinities of extinct species to each other and to ...
... follow the same general rules in their appearance and disajipearance as do single species - On ExtinctionOn simultaneous changes in the forms of life thrvughout the world - On the affinities of extinct species to each other and to ...
20 페이지
... follow to a certain extent , as might have been expected , systematic affinity , by which term every kind of resemblance and dissimilarity between organic beings is attempted to be expressed . The facts by no means seem to indicate that ...
... follow to a certain extent , as might have been expected , systematic affinity , by which term every kind of resemblance and dissimilarity between organic beings is attempted to be expressed . The facts by no means seem to indicate that ...
21 페이지
... follow as a necessary contingency . In the second place , it is almost as much opposed to the theory of natural selection as to that of special creation , that in reciprocal crosses the male element of one form should have been rendered ...
... follow as a necessary contingency . In the second place , it is almost as much opposed to the theory of natural selection as to that of special creation , that in reciprocal crosses the male element of one form should have been rendered ...
42 페이지
... follow according to Gärtner the same laws . When two species are crossed , one has sometimes a prepotent power of impressing its likeness on the hybrid . So I believe it to be with varieties of plants ; and with animals one variety ...
... follow according to Gärtner the same laws . When two species are crossed , one has sometimes a prepotent power of impressing its likeness on the hybrid . So I believe it to be with varieties of plants ; and with animals one variety ...
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자주 나오는 단어 및 구문
accumulated adapted admit affinity allied species ancient animals appear Archipelago arctic areas become believe birds breeds Cambrian changes characters classification climate closely allied continent crustaceans degree deposited difficulty distant distinct species domestic doubt embryo Europe existing extinct fact faunas fertilised fertility flowers formations formerly forms fossil fresh-water Fritz Müller Gärtner genera genus geological period geological record Glacial period groups of species habits hybrids hybrids produced important individuals inhabitants inherited insects instance intermediate intervals land larvæ less living mammæ mammals manner marine Marsupials migration modified descendants mongrels mountains natural selection naturalists nearly occur oceanic islands offspring organisation palæontologists paleozoic parent parent-form peculiar perfect pistil plants pollen present probably produced quadrupeds reciprocal crosses regions remains remarked reproductive resemblance rocks rudimentary organs seeds Silurian South America species belonging stage stamens sterility structure successive suppose terrestrial tertiary tion variations varieties whilst widely different wings