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! |
Dentro del libro
Resultados 1-3 de 29
Página 131
... inhabitants will have been numerous in individuals and kinds , and will have been subjected to severe competition . When con- verted by subsidence into large separate islands , there will still have existed many individuals of the same ...
... inhabitants will have been numerous in individuals and kinds , and will have been subjected to severe competition . When con- verted by subsidence into large separate islands , there will still have existed many individuals of the same ...
Página 214
... inhabitants . And such new places will depend on slow changes of climate , or on the occasional immigration of new inhabitants , and , probably , in a still more important degree , on some of the old inhabitants becoming slowly modified ...
... inhabitants . And such new places will depend on slow changes of climate , or on the occasional immigration of new inhabitants , and , probably , in a still more important degree , on some of the old inhabitants becoming slowly modified ...
Página 260
... inhabitants , and consequently leads to success in the battle for life , only in accordance with the standard of that particular country . Hence the inhabitants of one country , generally the smaller one , often yield to the inhabitants ...
... inhabitants , and consequently leads to success in the battle for life , only in accordance with the standard of that particular country . Hence the inhabitants of one country , generally the smaller one , often yield to the inhabitants ...
Contenido
CHAPTER I | 5 |
VARIATION UNDER NATURE | 51 |
Its bearing on natural selectionThe term used in a wide sense | 75 |
Derechos de autor | |
Otras 5 secciones no mostradas
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