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 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 be- tween 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 be- tween species of the same genus- -The relation of ...
Page 4
... individuals of each species are born than can possibly survive ; and as , conse- quently , there is a frequently recurring struggle for existence , it follows that any being , if it vary however slightly in any manner profitable to ...
... individuals of each species are born than can possibly survive ; and as , conse- quently , there is a frequently recurring struggle for existence , it follows that any being , if it vary however slightly in any manner profitable to ...
Page 7
... individuals of the same variety 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 individuals of any one species ...
... individuals of the same variety 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 individuals of any one species ...
Page 10
... individuals exposed to certain conditions are affected in the same way , the change at first appears to be directly due to such conditions ; but in some cases it can be shown that quite opposite conditions produce similar changes 10 ...
... individuals exposed to certain conditions are affected in the same way , the change at first appears to be directly due to such conditions ; but in some cases it can be shown that quite opposite conditions produce similar changes 10 ...
Page 12
... individuals by certain vegetable poisons : Professor Wyman has recently communicated to me a good illustration of this fact ; on asking some farmers in Florida how it was that all their pigs were black , they informed him that the pigs ...
... individuals by certain vegetable poisons : Professor Wyman has recently communicated to me a good illustration of this fact ; on asking some farmers in Florida how it was that all their pigs were black , they informed him that the pigs ...
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Common terms and phrases
accumulated adapted affinities allied species America amount analogous ancient animals appear Asa Gray become bees believe birds breeds cause cells characters cirripedes climate closely allied colour continuous crossed crustaceans degree difficulty distinct species divergence domestic doubt embryo 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 hybrids hybrids produced important individuals inhabitants inherited insects instance instincts intercrossing intermediate land larvæ laws less living male mammals manner Marsupials migration modification modified descendants mongrels natural selection naturalists nearly nest occasionally offspring organisation origin of species perfect pigeons plants pollen present principle probably produced progenitor racter ranked reciprocal crosses remarked resemble rudimentary organs seeds Silurian slight South America sterility structure struggle successive supposed tend theory tion variability variations varieties vary whole widely