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 128
... oceanic island , although the number of species inhabiting it is small , as we shall see in our chapter on Geographical Distribution ; yet of these species a very large proportion are endemic , that is , have been produced there and ...
... oceanic island , although the number of species inhabiting it is small , as we shall see in our chapter on Geographical Distribution ; yet of these species a very large proportion are endemic , that is , have been produced there and ...
Página 167
... or which lately inhabited several oceanic islands , tenanted by no beast of prey , has been caused by disuse . The ostrich indeed inhabits continents , and is exposed to danger from 13 CHAP . V. ] EFFECTS OF USE AND DISUSE . 167.
... or which lately inhabited several oceanic islands , tenanted by no beast of prey , has been caused by disuse . The ostrich indeed inhabits continents , and is exposed to danger from 13 CHAP . V. ] EFFECTS OF USE AND DISUSE . 167.
Página 281
... Oceanic islands are inhabited by bats and seals , but by no terrestrial mammals ; yet as some of these bats are peculiar species , they must have long inhabited their present homes . Therefore Sir C. Lyell asks , and assigns certain ...
... Oceanic islands are inhabited by bats and seals , but by no terrestrial mammals ; yet as some of these bats are peculiar species , they must have long inhabited their present homes . Therefore Sir C. Lyell asks , and assigns certain ...
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 |
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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