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 vi
... results of Natural Selection , namely , intercrossing , isolation , number of individuals - Slow action - Extinction caused by Natural Se- lection - Divergence of Character , related to the diversity of inhabitants of any small area ...
... results of Natural Selection , namely , intercrossing , isolation , number of individuals - Slow action - Extinction caused by Natural Se- lection - Divergence of Character , related to the diversity of inhabitants of any small area ...
Página xiii
... result of accident . And in like manner as to the other parts in which there appears to exist an adaptation to an end . Whereso- ever , therefore , all things together ( that is all the parts of one whole ) happened like as if they were ...
... result of accident . And in like manner as to the other parts in which there appears to exist an adaptation to an end . Whereso- ever , therefore , all things together ( that is all the parts of one whole ) happened like as if they were ...
Página xiv
... result of law , and not of miraculous interposition . Lamarck seems to have been chiefly led to his conclusion on the gradual change of species , by the difficulty of distinguishing species and varieties , by the almost perfect ...
... result of law , and not of miraculous interposition . Lamarck seems to have been chiefly led to his conclusion on the gradual change of species , by the difficulty of distinguishing species and varieties , by the almost perfect ...
Página xviii
... much consideration is , that the several series of animated beings , from the simplest and oldest up to the highest and most recent , are , under the providence of God , the results , first , of. xviii HISTORICAL SKETCH .
... much consideration is , that the several series of animated beings , from the simplest and oldest up to the highest and most recent , are , under the providence of God , the results , first , of. xviii HISTORICAL SKETCH .
Página xix
... results , first , of an impulse which has been imparted to the forms of life , advancing them , in definite times , by generation , through grades of or- ganisation terminating in the highest dicotyledons and vertebrata , these grades ...
... results , first , of an impulse which has been imparted to the forms of life , advancing them , in definite times , by generation , through grades of or- ganisation terminating in the highest dicotyledons and vertebrata , these grades ...
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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