The Origin of Species by Means of Natural Selection: Or, the Preservation of Favored Races in the Struggle for Life, 1권D. Appleton, 1898 |
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i 페이지
Or, the Preservation of Favored Races in the Struggle for Life Charles Darwin. THE ORIGIN OF SPECIES VOL . I BY MEANS OF NATURAL SELECTION OR THE PRESERVATION OF FAVORED.
Or, the Preservation of Favored Races in the Struggle for Life Charles Darwin. THE ORIGIN OF SPECIES VOL . I BY MEANS OF NATURAL SELECTION OR THE PRESERVATION OF FAVORED.
v 페이지
... Origin of domestic varieties from one or more species - Domestic Pigeons , their Differences and Origin- Principles of Selection , anciently followed , their Effects- Methodical and Unconscious Selection - Unknown Origin of our Domestic ...
... Origin of domestic varieties from one or more species - Domestic Pigeons , their Differences and Origin- Principles of Selection , anciently followed , their Effects- Methodical and Unconscious Selection - Unknown Origin of our Domestic ...
xiii 페이지
... ORIGIN OF SPECIES , PREVIOUSLY TO THE PUBLICATION OF THE FIRST EDITION OF THIS WORK . I WILL here give a brief sketch of the progress of opinion on the Origin of Species . Until recently the great majority of naturalists believed that ...
... ORIGIN OF SPECIES , PREVIOUSLY TO THE PUBLICATION OF THE FIRST EDITION OF THIS WORK . I WILL here give a brief sketch of the progress of opinion on the Origin of Species . Until recently the great majority of naturalists believed that ...
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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