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 92
adapted organisms , after any physical change , such as of climate or elevation of the land , & c .; and thus new places in the natural economy of the country are left open for the old inhabitants to struggle for , and become adapted to ...
adapted organisms , after any physical change , such as of climate or elevation of the land , & c .; and thus new places in the natural economy of the country are left open for the old inhabitants to struggle for , and become adapted to ...
Page 100
... adapted for their own country . It might , also , perhaps have been expected that naturalized plants would have belonged to a few groups more especially adapted to certain stations in their new homes . But the case is very different ...
... adapted for their own country . It might , also , perhaps have been expected that naturalized plants would have belonged to a few groups more especially adapted to certain stations in their new homes . But the case is very different ...
Page 111
... adapted males the greatest number of offspring . Sexual selection will also give characters useful to the males alone , in their struggles with other males . Whether natural selection has really thus acted in nature , in modifying and ...
... adapted males the greatest number of offspring . Sexual selection will also give characters useful to the males alone , in their struggles with other males . Whether natural selection has really thus acted in nature , in modifying and ...
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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