The Origin of Species by Means of Natural Selection: Or, The Preservation of Favored Races in the Struggle for Life, Volumen1AMS Press, 1972 - 479 páginas 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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Página 21
... believe that barbarian man existed at an enormously remote period ; and we know that at the present day there is hardly a tribe so barbarous , as not to have domesticated at least the dog . The origin of most of our domestic animals ...
... believe that barbarian man existed at an enormously remote period ; and we know that at the present day there is hardly a tribe so barbarous , as not to have domesticated at least the dog . The origin of most of our domestic animals ...
Página 132
... believe so . But I do believe that natural selection will generally act very slowly , only at long intervals of time , and only on a few of the inhabitants of the same region . I further believe that these slow , intermittent results ...
... believe so . But I do believe that natural selection will generally act very slowly , only at long intervals of time , and only on a few of the inhabitants of the same region . I further believe that these slow , intermittent results ...
Página 210
... believe that most continents have been broken up into islands even during the later tertiary periods ; and in such islands distinct species might have been separately formed without the possibility of inter- mediate varieties existing ...
... believe that most continents have been broken up into islands even during the later tertiary periods ; and in such islands distinct species might have been separately formed without the possibility of inter- mediate varieties existing ...
Contenido
CHAPTER I | 5 |
VARIATION UNDER NATURE | 51 |
Its bearing on natural selectionThe term used in a wide sense | 75 |
Derechos de autor | |
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The Origin of Species by Means of Natural Selection: Or, the Preservation of ... Charles Darwin Sin vista previa disponible - 2016 |
On the Origin of Species by Means of Natural Selection Charles Darwin Sin vista previa disponible - 2016 |
The Origin of Species by Means of Natural Selection: Or the Preservation of ... Charles Darwin Sin vista previa disponible - 2018 |
Términos y frases comunes
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