The Origin of Species by Means of Natural Selection: Or, the Preservation of Favored Races in the Struggle for Life, Volumen1D. Appleton, 1898 |
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Página v
... Habit and the use or disuse of Parts - Correlated Variation - Inheritance - Character of . Do- mestic Varieties - Difficulty of distinguishing between Varieties and Species - Origin of domestic varieties from one or more species ...
... Habit and the use or disuse of Parts - Correlated Variation - Inheritance - Character of . Do- mestic Varieties - Difficulty of distinguishing between Varieties and Species - Origin of domestic varieties from one or more species ...
Página vii
... habits of life- Diversified habits in the same species - Species with habits widely different from those of their allies - Organs of extreme perfection - Modes of transition - Cases of difficulty - Natura non facit saltum - Organs of ...
... habits of life- Diversified habits in the same species - Species with habits widely different from those of their allies - Organs of extreme perfection - Modes of transition - Cases of difficulty - Natura non facit saltum - Organs of ...
Página viii
... habits , but different in their origin- Instincts graduated - Aphides and ants - Instincts variable- Domestic instincts , their origin - Natural instincts of the cuckoo , Molothrus , ostrich , and parasitic bees - Slave - making ants ...
... habits , but different in their origin- Instincts graduated - Aphides and ants - Instincts variable- Domestic instincts , their origin - Natural instincts of the cuckoo , Molothrus , ostrich , and parasitic bees - Slave - making ants ...
Página x
... habits of the Molothrus . On fertile hybrid moths . The discussion on the fertility of hybrids not having been acquired through natural selection condensed and modified . Fifth Sixth Edition . Edition . Page vol . ii. X ADDITIONS AND ...
... habits of the Molothrus . On fertile hybrid moths . The discussion on the fertility of hybrids not having been acquired through natural selection condensed and modified . Fifth Sixth Edition . Edition . Page vol . ii. X ADDITIONS AND ...
Página xiv
... 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 constituted ...
... 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 constituted ...
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Términos y frases comunes
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 descendants 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 increase inhabitants inherited insects instance instincts intercrossing intermediate kind lamellæ large number larger genera larvæ less males manner Melipona Mivart modified natural selection naturalists nearly nest occasionally offspring organisation organs origin Origin of Species parent perfect period pigeons pollen pollen-grains present preserved prey principle probably produced progenitor quadrupeds rank rarely Red Grouse relation remarked resemble rock-pigeon seeds sexes sexual selection slight stamens striped structure struggle supposed swimbladder tend tendency tion tree variability variations varieties vary widely wings young