检验自然选择在物种形成中的作用的一个主要挑战是,将生殖隔离的出现与有着生态学重要性的特征联系起来。
A principal challenge in testing the role of natural selection in speciation is to connect the build-up of reproductive isolation between populations to divergence of ecologically important traits.
通过科瑞·福特斯和他的同事的调查得出,厄瓜多尔的蝴蝶种群与哥斯达黎加的蝴蝶种群一样,都具有白色与黄色种群的变异,但是并未达到一种显著的生殖隔离的水平。
The Ecuadorian population examined by Kronforst and his colleagues shows the same white and yellow variation found in Costa Rica but has not yet reached a level of strong reproductive isolation.
通过科瑞·福特斯和他的同事的调查得出,厄瓜多尔的蝴蝶种群与哥斯达黎加的蝴蝶种群一样,都具有白色与黄色种群的变异,但是并未达到一种显著的生殖隔离的水平。
The Ecuadorian population examined by Kronforst and his colleagues shows the same white and yellow variation found in Costa Rica but has not yet reached a level of strong reproductive isolation.
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