On the Origin of Species by Means of Natural Selection: Or The Preservation of Favoured Races in the Struggle for LifeHumphrey Milford, Oxford University Press, 1923 - 454 páginas |
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... GEOLOGICAL RECORD 250 10. ON THE GEOLOGICAL SUCCESSION OF ORGANIC BEINGS 280 11. GEOGRAPHICAL DISTRIBUTION 12. GEOGRAPHICAL DISTRIBUTION - Continued 13. MUTUAL AFFINITIES OF ORGANIC BEINGS : MORPHOLOGY : EMBRYOLOGY : RUDIMENTARY ORGANS ...
... GEOLOGICAL RECORD 250 10. ON THE GEOLOGICAL SUCCESSION OF ORGANIC BEINGS 280 11. GEOGRAPHICAL DISTRIBUTION 12. GEOGRAPHICAL DISTRIBUTION - Continued 13. MUTUAL AFFINITIES OF ORGANIC BEINGS : MORPHOLOGY : EMBRYOLOGY : RUDIMENTARY ORGANS ...
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... geological relations of the present to the past inhabitants of that continent . These facts seemed to me to throw some light on the origin of species - that mystery of mysteries , as it has been called by one of our greatest ...
... geological relations of the present to the past inhabitants of that continent . These facts seemed to me to throw some light on the origin of species - that mystery of mysteries , as it has been called by one of our greatest ...
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... , it is quite con- ceivable that a naturalist , reflecting on the mutual affinities of organic beings , on their embryological relations , their geographical distribution , geological succession , and 2 ON THE ORIGIN OF SPECIES.
... , it is quite con- ceivable that a naturalist , reflecting on the mutual affinities of organic beings , on their embryological relations , their geographical distribution , geological succession , and 2 ON THE ORIGIN OF SPECIES.
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... geological succession , and other such facts , might come to the conclusion that each species had not been independently created , but had descended , like varieties , from other species . Nevertheless , such a conclusion , even if well ...
... geological succession , and other such facts , might come to the conclusion that each species had not been independently created , but had descended , like varieties , from other species . Nevertheless , such a conclusion , even if well ...
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... Geological Record . In the next chapter I shall consider the geological succession of organic beings throughout time ; in the eleventh and twelfth , their geographical distribution throughout space ; in the thirteenth , their ...
... Geological Record . In the next chapter I shall consider the geological succession of organic beings throughout time ; in the eleventh and twelfth , their geographical distribution throughout space ; in the thirteenth , their ...
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Términos y frases comunes
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