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" The result is not death to the unsuccessful competitor but few or no offspring. Sexual selection is, therefore, less rigorous than natural selection. Generally the most vigorous males, those which are best fitted for their places in nature, will leave... "
On the origin of species by means of natural selection ; or, The ... - Síða 69
eftir Charles Darwin - 1875 - 458 síður
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On the Origin of Species by Means of Natural Selection: Or, The Preservation ...

Charles Darwin - 1864 - 472 síður
...possession of the females ; the result is not death to the unsuccessful competitor, but ftswTn-H^flffspring. Sexual selection is, therefore, less rigorous than...will leave most progeny. But in many cases, victory will depend not on general vigour, but on having special weapons, confined to the male sex. A hornless...
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On the Origin of Species by Means of Natural Selection, Or, The Preservation ...

Charles Darwin - 1866 - 668 síður
...males for posF 2 session of the females ; the result is not death to the unsuccessful competitor, but few or no offspring. Sexual selection is, therefore,...most progeny. But in many cases, victory depends not on general vigour, but on having special weapons, confined to the male sex. A hornless stag or spurless...
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On the Origin of Species by Means of Natural Selection: Or The Preservation ...

Charles Darwin - 1870 - 468 síður
...not death to the unsuccessful competitor, but few or no offspring. Sexual selection is, theretore, less rigorous than natural selection. Generally, the...will leave most progeny. But in many cases, victory will depend not on general vigour, but on having special weapons, confined to the male sex. A hornless...
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The Origin of Species by Means of Natural Selection: Or, The Preservation of ...

Charles Darwin - 1882 - 492 síður
...males, for the possession of the other sex. The result is not death to the unsuccessful competitor, but few or no offspring. Sexual selection is, therefore,...as on having special weapons, confined to the male BCX. A hornless stag or spurless cock would have a poor chance of leaving numerous offspring. Sexual...
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Fur Seal Arbitration: Proceedings of the Tribunal of Arbitration ..., Bindi 14

Bering Sea Tribunal of Arbitration - 1895 - 340 síður
...certainly with regard to other animals. The result is not death to the unsuccessful competitor, but few or no offspring. Sexual selection is, therefore,...rigorous than natural selection. Generally the most vigourous males, those which are best fitted for their places in Nature, will leave most progeny; but,...
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Evolution and Adaptation

Thomas Hunt Morgan - 1903 - 498 síður
...males, for the possession of the other sex. The result is not death to the unsuccessful competitor, but few or no offspring. Sexual selection is, therefore,...vigorous males, those which are best fitted for their place in nature, will leave most progeny. But in many cases victory depends, not so much on general...
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A Textbook in General Zoology

Henry Richardson Linville, Henry Augustus Kelly - 1906 - 492 síður
...males, for the possession of the other sex. The result is not death to the unsuccessful competitor, but few or no offspring. Sexual selection is, therefore,...vigorous males, those which are best fitted for their place in nature, will leave most progeny. But in many cases victory depends not so much on general...
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A Textbook in General Zoology

Henry Richardson Linville, Henry Augustus Kelly - 1906 - 492 síður
...than natural selection. Generally the most vigorous males, those which are best fitted for their place in nature, will leave most progeny. But in many cases victory depends not so much on general vigor Fio. 56. Stag-Beetle (male and female). Natural size as on having special weapons confined to...
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The Science-history of the Universe, Bindi 5

Francis Rolt-Wheeler - 1909 - 318 síður
...males, for the possession of the other sex. The result is not death to the unsuccessful competitor, but few or no offspring. Sexual selection is, therefore,...many cases victory depends not so much on general vigor as on having special weapons, confined to the male sex. A hornless stag or spurless cock would...
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Heredity and Sex

Thomas Hunt Morgan - 1913 - 304 síður
...males, for the possession of the other sex. The result is not death to the unsuccessful competitor, but few or no offspring. Sexual selection is, therefore,...many cases, victory depends not so much on general vigor, as on having special weapons, confined to the male sex. A hornless stag or spurless cock would...
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