耳垂的生物学功能仍然是个谜，目前的研究表明它可能是一种进化遗迹，而非具有重要作用。虽然一些理论提出其具有体温调节或感官作用，但这些理论在很大程度上未经证实。进化生物学家认为，耳垂可能由于基因漂移或作为发育的副产品（即“帆状拱”）而得以保留，而不是通过直接的自然选择来实现特定功能。 AI
排序理由 文章讨论了关于人类解剖特征的进化生物学理论，属于评论范畴，而非核心AI主题。
AI 生成摘要 · Google Gemini · 来自 1 个来源。 我们如何撰写摘要 →
进化生物学家就耳垂的神秘生物学功能展开辩论
本文如何被排名
- Signal score
- 0 / 100
- Composite score across the factors below. Higher = stronger signal that this story matters right now.
- Newsworthiness bucket
- Commentary
- 文章讨论了关于人类解剖特征的进化生物学理论，属于评论范畴，而非核心AI主题。
- Source corroboration
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- Topics
- other
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- AI-industry relevance
- Low
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- Story freshness
- 108 days old
- Aged out of breaking-news scoring windows; ranking reflects the durable signal from the full source set.
完整方法见我们的编辑标准。
报道来源 [1]
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人类为什么有耳垂？一位进化生物学家解释
That soft little flap of tissue dangling from the bottom of your ear has puzzled scientists for decades. Here’s what we actually know about the earlobe and what we don’t.