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 59
... climate seems at first sight to be quite independent of the struggle for existence ; but in so far as climate chiefly acts in reducing food , it brings on the most severe struggle between the individuals , whether of the same or of ...
... climate seems at first sight to be quite independent of the struggle for existence ; but in so far as climate chiefly acts in reducing food , it brings on the most severe struggle between the individuals , whether of the same or of ...
Page 121
... climate , or conversely . So again , many succulent plants cannot endure a damp climate . But the degree of adaptation of species to the climates under which they live is often overrated . We may infer this from our frequent inability ...
... climate , or conversely . So again , many succulent plants cannot endure a damp climate . But the degree of adaptation of species to the climates under which they live is often overrated . We may infer this from our frequent inability ...
Page 122
... climate of Faroe in the north and of the Falklands in the south , and on many islands in the torrid zones . Hence I am inclined to look at adaptation to any special climate as a quality readily grafted on an innate wide flexibility of ...
... climate of Faroe in the north and of the Falklands in the south , and on many islands in the torrid zones . Hence I am inclined to look at adaptation to any special climate as a quality readily grafted on an innate wide flexibility of ...
Contents
VARIATION UNDER DOMESTICATION | 6 |
VARIATION UNDER NATURE | 38 |
STRUGGLE FOR EXISTENCE | 52 |
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Common terms and phrases
accumulated adapted affinities allied species amount analogous ancient animals 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 domestic doubt eggs embryo endemic Europe existing exterminated extinct extremely facts favourable fertility flower formations 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 occasionally oceanic islands offspring perfect pigeons pistil plants pollen present probably produced progenitor ranked reciprocal crosses remarked resemblance seeds sexual selection Silurian slight South America sterility structure struggle successive suppose swimbladder theory tion trees variability variations vary whole widely