The Origin of Species by Means of Natural Selection, Or, The Preservation of Favored Races in the Struggle for Life, Выпуск 4D. Appleton, 1896 - Всего страниц: 365 |
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Стр. v
... Effects of Habit and the use or disuse of Parts Correlated Variation - Inheritance - Character of Domestic Varieties - Difficulty of distinguishing between Varieties and Species - Origin of domestic varieties from one or more species ...
... Effects of Habit and the use or disuse of Parts Correlated Variation - Inheritance - Character of Domestic Varieties - Difficulty of distinguishing between Varieties and Species - Origin of domestic varieties from one or more species ...
Стр. vi
... Effects of climate - Protection from the number of individuals - Complex relations of all animals and plants throughout nature - Struggle for life most severe between individuals and varieties of the same species : often severe between ...
... Effects of climate - Protection from the number of individuals - Complex relations of all animals and plants throughout nature - Struggle for life most severe between individuals and varieties of the same species : often severe between ...
Стр. xii
... effect it continually or at stated times , as what is supernatural or miraculous does to effect it for once . " BUTLER : Analogy of Revealed Religion . " To conclude , therefore , let no man out of a weak conceit of sobriety , or an ill ...
... effect it continually or at stated times , as what is supernatural or miraculous does to effect it for once . " BUTLER : Analogy of Revealed Religion . " To conclude , therefore , let no man out of a weak conceit of sobriety , or an ill ...
Стр. xiv
... effects of habit . To this latter agency he seems to attribute all the beautiful adaptations in nature ; -such as the long neck of the giraffe for browsing on the by an internal spontaneity ; and whatsoever things were not thus ...
... effects of habit . To this latter agency he seems to attribute all the beautiful adaptations in nature ; -such as the long neck of the giraffe for browsing on the by an internal spontaneity ; and whatsoever things were not thus ...
Стр. xix
... effects produced by the conditions of life are gradual . He argues with much force on general grounds that species are not immutable productions . But I cannot see how the two supposed " impulses " account in a scientific sense for the ...
... effects produced by the conditions of life are gradual . He argues with much force on general grounds that species are not immutable productions . But I cannot see how the two supposed " impulses " account in a scientific sense for the ...
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Часто встречающиеся слова и выражения
acquired adapted advantage allied analogous animals and plants appear Asa Gray beak become bees believe birds breeds caudicle cause cells characters climate closely colour common crossed cuckoo degree developed difficulty distinct species disuse divergence domestic animals domestic races doubt effects eggs existence extinct extremely facts favourable females flowers forms Fritz Müller genera genus giraffe gradations greater number groups habits Hence hermaphrodites hive-bee important improved increase in number inhabitants inherited insects instance instincts intercrossing intermediate kind lamellæ large number larger genera larvæ less likewise males manner Melipona Mivart natural selection naturalists nearly nest occasionally offspring organisation organs origin Origin of Species perfect period pigeons pollen pollen-grains present preserved principle probably produced progenitor quadrupeds rank Red Grouse relation remarked resemble rock-pigeon seeds sexes sexual sexual selection slight stamens striped structure struggle supposed swimbladder tend tendency tion transitional tree variability variations varieties vary widely wings young