| Jerome A. Popp - 2012 - 172 pages
...the males for possession of the females; the result is not death to the unsuccessful competitor, but few or no offspring. Sexual selection is, therefore, less rigorous than natural selection" (Origin, 136). The example typically used in the literature as an example of sexual selection is the... | |
| A. Samuel Kimball - 2007 - 372 pages
...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, less rigorous than natural selection" (The Origin of Specie,', 69). 38. Carolyn M. Crockett and Ranka Sekulic, "Infanticide in Red Howler... | |
| Kenneth R. Hammond - 2007 - 368 pages
...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 less rigorous than natural selection."16 Reproduction, it must be noted, is as important in the long term for species as survival... | |
| Charles Darwin - 2008 - 166 pages
...the males for possession of the females; the result is not death to the unsuccessful competitor, but few or no offspring. Sexual selection is, therefore,...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... | |
| Gerardus van der Leeuw - 1935 - 354 pages
...numbers of a species." 1.1. ch. Ill (6de dr. p. 49, 50-51, 53). ā€˛Generally, the most vigorous ma'es, those which are best fitted for their places in nature,...leave most progeny. But in many cases, victory depends npt so much on general vigour, as on having special weapons, confined to the male sex." 1.1. ch. IV... | |
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