The Origin of Species by Means of Natural Selection: Or the Preservation of Favored Races in the Struggle for Life |
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Page vi
... individuals - Complex relations of all animals and plants throughout nature - Struggle for life most severe between individuals and varieties of the same species : often severe between species of the same genus - The relation of ...
... individuals - Complex relations of all animals and plants throughout nature - Struggle for life most severe between individuals and varieties of the same species : often severe between species of the same genus - The relation of ...
Page 7
... individuals of the same vari- ety or sub - variety of our older cultivated plants and ani- mals , one of the first points which strikes us is , that they generally differ more from each other than do the in- dividuals of any one species ...
... individuals of the same vari- ety or sub - variety of our older cultivated plants and ani- mals , one of the first points which strikes us is , that they generally differ more from each other than do the in- dividuals of any one species ...
Page 8
... individuals exposed to certain conditions during several generations are modified in the same manner . It is extremely difficult to come to any conclusion in regard to the extent of the changes which have been thus definitely induced ...
... individuals exposed to certain conditions during several generations are modified in the same manner . It is extremely difficult to come to any conclusion in regard to the extent of the changes which have been thus definitely induced ...
Page 9
... individuals , all probably would be modified in the same manner . Such facts as the com- plex and extraordinary out - growths which invariably fol low from the insertion of a minute drop of poison by a gall - producing insect , show us ...
... individuals , all probably would be modified in the same manner . Such facts as the com- plex and extraordinary out - growths which invariably fol low from the insertion of a minute drop of poison by a gall - producing insect , show us ...
Page 11
... individuals , though taken young from a state of nature perfectly tamed , long - lived and healthy ( of which I could give numerous instances ) , yet having their re- productive system so seriously affected by unperceived causes as to ...
... individuals , though taken young from a state of nature perfectly tamed , long - lived and healthy ( of which I could give numerous instances ) , yet having their re- productive system so seriously affected by unperceived causes as to ...
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Common terms and phrases
adapted affinities allied species America ancient appear Asa Gray beak become bees believe belonging birds breeds cause cells characters climate closely allied colour common continent crossed crustaceans degree developed difficulty distinct species domestic doubt effects eggs embryo existing extinct extremely facts favourable fertilised fertility flowers formation forms fossil Fritz Müller genera genus geological geological period Glacial period gradations greater number groups of species habits Hence hybrids important individuals inhabitants inherited insects instance instincts intercrossing intermediate kind lamellę larvę less living males mammals manner marsupials migration modified descendants natural selection naturalists nearly nest occasionally offspring organisation organs parent peculiar perfect pigeon pistil pollen present principle probably produced progenitor quadrupeds ranked remarked resemblance rudimentary seeds sexual selection Silurian slight South America stamens sterility structure successive supposed swimbladder tend theory tion trees variability variations varieties vary whilst whole wings young