We can estimate selection on traits using a measure of fitness, reliable measurements of multiple traits and the phenotypic and genetic correlations among these traits. This information is available ...

Postcopulatory sexual selection (PCSS) arises from widespread sexual promiscuity and operates through competition of the ejaculates of different males over fertilization (sperm competition), choice of ...

Charles Darwin's Theory of Evolution is one of the most solid theories in science. But what exactly is it? When you purchase through links on our site, we may earn an affiliate commission. Here’s how ...

本期的《你问我答》帮助大家分析四个都能表示“选择”这一含义的名词 — option、selection、alternative 和 choice。这几个词语的使用频率都比较高，它们在哪些句子中可以互换？这四个单词中有哪几个在特定的语境中含义有所重叠？ 欢迎你加入并和我们一起讨论 ...