On the Origin of Species by Means of Natural Selection: Or the Preservation of Favoured Races in the Struggle for Life |
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Page 67
... advantage to our plant ; but we have reason to believe that only a few plants or animals range so far that they are ... advantage over a different set of competitors or enemies . It is good thus to try in our imagination to give any form ...
... advantage to our plant ; but we have reason to believe that only a few plants or animals range so far that they are ... advantage over a different set of competitors or enemies . It is good thus to try in our imagination to give any form ...
Page 71
... advantage over others ; and still further modifications of the same kind would often still further increase the advantage . No country can be named in which all the native inhabitants are now so perfectly adapted to each other and to ...
... advantage over others ; and still further modifications of the same kind would often still further increase the advantage . No country can be named in which all the native inhabitants are now so perfectly adapted to each other and to ...
Page 168
... advantage in fighting with another or in charming the females . Moreover , when a modification of structure has primarily arisen from the above or other unknown causes , it may at first have been of no advantage to the species , but may ...
... advantage in fighting with another or in charming the females . Moreover , when a modification of structure has primarily arisen from the above or other unknown causes , it may at first have been of no advantage to the species , but may ...
Contents
INTRODUCTION | 1 |
STRUGGLE FOR EXISTENCE | 52 |
NATURAL SELECTION | 69 |
Copyright | |
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Common terms and phrases
accumulated adapted affinities allied species amount analogous ancient appear archipelago become bees believe birds breeds cause cells characters cirripedes climate closely allied colour common parent continuous crossed crustaceans degree difficulty distant distinct species divergence doubt embryo Europe existing exterminated extinct extremely facts favourable fertility flowers formation forms fossil Gärtner genera genus geological geological period Glacial period gradations greater number groups of species habits Hence hermaphrodites hybrids hybrids produced important increase in number individuals inhabitants inherited insects instance instincts intercrossing land larvæ less living male mammals manner migration modification modified descendants natural selection naturalists nearly nest occasional oceanic islands offspring Origin of Species perfect pigeons plants pollen present principle probably produced progenitor ranked reciprocal crosses remarked resemblance seeds sexual selection Silurian slight sometimes South America sterility structure struggle successive supposed swimbladder tend theory tion trees variability variation vary whole widely