The Origin of Species by Means of Natural Selection: Or, The Preservation of Favoured Races in the Struggle for Life, Volume 1 |
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Page 68
... kind is not the less dominant because some conferva inhabiting the water or some parasitic fungus is infinitely more numerous in individuals , and more widely diffused . But if the conferva or parasitic fungus exceeds its allies in the ...
... kind is not the less dominant because some conferva inhabiting the water or some parasitic fungus is infinitely more numerous in individuals , and more widely diffused . But if the conferva or parasitic fungus exceeds its allies in the ...
Page 84
... in reducing food , it bring on the most severe struggle between the individuals , whether of the same or of distinct species , which subsist on the same kind of food . Even when 81 NATURE OF THE CHECKS TO INCREASE . [ CHAP . III .
... in reducing food , it bring on the most severe struggle between the individuals , whether of the same or of distinct species , which subsist on the same kind of food . Even when 81 NATURE OF THE CHECKS TO INCREASE . [ CHAP . III .
Page 85
... kind of food . Even when climate , for instance extreme cold , acts directly , it will be the least vigorous individuals , or those which have got least food through the advancing winter , which will suffer most . When we travel from ...
... kind of food . Even when climate , for instance extreme cold , acts directly , it will be the least vigorous individuals , or those which have got least food through the advancing winter , which will suffer most . When we travel from ...
Page 98
... kind ? On the other hand , we may feel sure that any variation in the least degree injurious would be rigidly destroyed . This preservation of favourable individual differences and variations , and the destruction of those which are ...
... kind ? On the other hand , we may feel sure that any variation in the least degree injurious would be rigidly destroyed . This preservation of favourable individual differences and variations , and the destruction of those which are ...
Page 101
... kind would often still further increase the advantage , as long as the species continued under the same conditions of life and profited by similar means of subsistence and defence . No country can be named in which all the native ...
... kind would often still further increase the advantage , as long as the species continued under the same conditions of life and profited by similar means of subsistence and defence . No country can be named in which all the native ...
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Common terms and phrases
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 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 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 structure struggle supposed swimbladder tend tendency tion transitional tree variability variations varieties vary widely wings young