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Updated: May 18, 2025
By the position of the sun it must have been between ten a.m. and noon, and we, of the crew, had eaten nothing since the previous day at supper, when, as usual, the meal was very light. Therefore, I suppose we felt the chill sooner than the better-nourished mate and harpooner, who looked rather scornfully at our blue faces and chattering teeth.
But the very constitution of the germ-plasm and its relation to the body absolutely forbids the transmission of acquired somatic characteristics and of the special effects of use and disuse. Muscular activity promotes general health, and might thus conduce to better-nourished germ-cells and to more vigorous and therefore athletic descendants.
In most cases sexual selection appears to have been effective in the following manner. Let us take any species, a bird for instance, and divide the females inhabiting a district into two equal bodies, the one consisting of the more vigorous and better-nourished individuals, and the other of the less vigorous and healthy.
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