 | Charles Darwin - 1864 - 472 páginas
...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... | |
 | Charles Darwin - 1866 - 668 páginas
...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... | |
 | Charles Darwin - 1870 - 468 páginas
...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... | |
 | Charles Darwin - 1882 - 492 páginas
...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... | |
 | Bering Sea Tribunal of Arbitration - 1895 - 340 páginas
...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,... | |
 | Thomas Hunt Morgan - 1903 - 498 páginas
...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... | |
 | Henry Richardson Linville, Henry Augustus Kelly - 1906 - 492 páginas
...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... | |
 | Henry Richardson Linville, Henry Augustus Kelly - 1906 - 492 páginas
...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... | |
 | Francis Rolt-Wheeler - 1909 - 318 páginas
...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... | |
 | Thomas Hunt Morgan - 1913 - 304 páginas
...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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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... 
