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 xxiv
... modified . The distinction . of species he explains by the destruction of intermediate graduated forms . " Thus living plants and animals are not separated from the extinct by new creations , but are to be regarded as their descendants ...
... modified . The distinction . of species he explains by the destruction of intermediate graduated forms . " Thus living plants and animals are not separated from the extinct by new creations , but are to be regarded as their descendants ...
Page 74
... modified and dominant descendants . But by steps hereafter to be explained , the larger genera also tend to break up into smaller genera . And thus , the forms of life throughout the universe become divid- ed into groups subordinate to ...
... modified and dominant descendants . But by steps hereafter to be explained , the larger genera also tend to break up into smaller genera . And thus , the forms of life throughout the universe become divid- ed into groups subordinate to ...
Page 133
... modified or improved within any given period ; they will consequently be beaten in the race for life by the modi- fied and improved descendants of the commoner species . From these several considerations I think it inevitably follows ...
... modified or improved within any given period ; they will consequently be beaten in the race for life by the modi- fied and improved descendants of the commoner species . From these several considerations I think it inevitably follows ...
Page 137
... descendants seizing on places at present occupied by other animals : some of them , for instance , being enabled to ... modified descendants , would suc- ceed in living on the same piece of ground . And we know that each species and each ...
... descendants seizing on places at present occupied by other animals : some of them , for instance , being enabled to ... modified descendants , would suc- ceed in living on the same piece of ground . And we know that each species and each ...
Page 140
... Descendants of a Common Ancestor . After the foregoing discussion , which has been much compressed , we may assume that the modified descend- ants of any one species will succeed so much the better as they become more diversified in ...
... Descendants of a Common Ancestor . After the foregoing discussion , which has been much compressed , we may assume that the modified descend- ants of any one species will succeed so much the better as they become more diversified in ...
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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 lamellæ larvæ 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