Human trophy hunting for bighorn rams has caused the population to evolve into one of smaller-horn rams. (All of which, incidentally, is in line with evolutionary predictions.

 
  • 人类对大角绵羊战利性狩猎使这种大角绵羊进化为一种小角羊。以上种种又偶然地与进化预测相吻合。
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