The Origin of Species by Means of Natural Selection: Or, The Preservation of Favored Races in the Struggle for Life, Том 1AMS Press, 1972 - Всего страниц: 479 This is a reproduction of the original artefact. Generally these books are created from careful scans of the original. This allows us to preserve the book accurately and present it in the way the author intended. Since the original versions are generally quite old, there may occasionally be certain imperfections within these reproductions. We're happy to make these classics available again for future generations to enjoy! |
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Стр. 101
... result with his domestic animals and plants by adding up in any given direction individual differences , so could natural selection , but far more easily from having incomparably longer time for action . Nor do I believe that any great ...
... result with his domestic animals and plants by adding up in any given direction individual differences , so could natural selection , but far more easily from having incomparably longer time for action . Nor do I believe that any great ...
Стр. 123
... result was as I anticipated . On the other hand , Dr. Hooker informs me that the rule does not hold good in Australia : but if most of the Australian trees are dichogamous , the same result would follow as if they bore flowers with ...
... result was as I anticipated . On the other hand , Dr. Hooker informs me that the rule does not hold good in Australia : but if most of the Australian trees are dichogamous , the same result would follow as if they bore flowers with ...
Стр. 308
... result ; in some of them the movement was distinct , but was best seen in the young leaves ; in others it was extremely slight . It is a more important fact that according to the high authority of Hofmeister , the young shoots and ...
... result ; in some of them the movement was distinct , but was best seen in the young leaves ; in others it was extremely slight . It is a more important fact that according to the high authority of Hofmeister , the young shoots and ...
Содержание
CHAPTER I | 5 |
VARIATION UNDER NATURE | 51 |
Its bearing on natural selectionThe term used in a wide sense | 75 |
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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 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 individual differences 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