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 50
... advantages that enabled their parents to become dominant over their compatriots . If the plants inhabiting a country and described in any Flora be divided into two equal masses , all those in the larger genera being placed on one side ...
... advantages that enabled their parents to become dominant over their compatriots . If the plants inhabiting a country and described in any Flora be divided into two equal masses , all those in the larger genera being placed on one side ...
Page 71
... advantage of plumed seeds no doubt stands in the closest re- lation to the land being already thickly clothed by other plants ; so that the seeds may be widely distributed and fall on unoccupied ground . In the water - beetle , the ...
... advantage of plumed seeds no doubt stands in the closest re- lation to the land being already thickly clothed by other plants ; so that the seeds may be widely distributed and fall on unoccupied ground . In the water - beetle , the ...
Page 72
... advantage over a different set of competitors or enemies . It is good thus to try in our imagination to give any form some advantage over another . Probably in no single instance should we know what to do , so as to succeed . It will ...
... advantage over a different set of competitors or enemies . It is good thus to try in our imagination to give any form some advantage over another . Probably in no single instance should we know what to do , so as to succeed . It will ...
Page 74
... advantage , however slight , over others , would have the best chance of surviving and of procreating their kind ? On the other hand , we may feel sure that any variation in the least degree injurious would be rigidly destroyed . This ...
... advantage , however slight , over others , would have the best chance of surviving and of procreating their kind ? On the other hand , we may feel sure that any variation in the least degree injurious would be rigidly destroyed . This ...
Page 75
... 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 ...
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Common terms and phrases
accumulated adapted affinities allied species America 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 distinct species divergence doubt embryo endemic Europe existing exterminated extinct extremely facts favourable fertility flowers formations forms fossil Gärtner genera genus geological geological period Glacial period gradations greater number groups of species habits Hence hermaphrodites hybrids hybrids produced important individuals inhabitants inherited insects instance instincts intercrossing land larvæ less living male mammals manner Marsupials migration modification modified descendants natural selection naturalists nearly nest oceanic islands offspring organisation perfect pigeons pistil plants pollen present principle probably produced progenitor ranked reciprocal crosses remarked resemble rock-pigeon rudimentary organs seeds sexual selection Silurian slight South America sterility structure struggle successive suppose swimbladder tend theory tion trees variability variation vary whole widely