一道生物动物行为方面的题(解释下为什么选A不选B,C\D不用解释了)50.燕雀目的鸟类会发出许多不同的歌声和警告叫声,不同种类的雄鸟鸣唱的歌声也不同.一般而言,鸟的鸣唱声有两项主要功
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![一道生物动物行为方面的题(解释下为什么选A不选B,C\D不用解释了)50.燕雀目的鸟类会发出许多不同的歌声和警告叫声,不同种类的雄鸟鸣唱的歌声也不同.一般而言,鸟的鸣唱声有两项主要功](/uploads/image/z/9806006-38-6.jpg?t=%E4%B8%80%E9%81%93%E7%94%9F%E7%89%A9%E5%8A%A8%E7%89%A9%E8%A1%8C%E4%B8%BA%E6%96%B9%E9%9D%A2%E7%9A%84%E9%A2%98%EF%BC%88%E8%A7%A3%E9%87%8A%E4%B8%8B%E4%B8%BA%E4%BB%80%E4%B9%88%E9%80%89A%E4%B8%8D%E9%80%89B%2CC%5CD%E4%B8%8D%E7%94%A8%E8%A7%A3%E9%87%8A%E4%BA%86%EF%BC%8950.%E7%87%95%E9%9B%80%E7%9B%AE%E7%9A%84%E9%B8%9F%E7%B1%BB%E4%BC%9A%E5%8F%91%E5%87%BA%E8%AE%B8%E5%A4%9A%E4%B8%8D%E5%90%8C%E7%9A%84%E6%AD%8C%E5%A3%B0%E5%92%8C%E8%AD%A6%E5%91%8A%E5%8F%AB%E5%A3%B0%2C%E4%B8%8D%E5%90%8C%E7%A7%8D%E7%B1%BB%E7%9A%84%E9%9B%84%E9%B8%9F%E9%B8%A3%E5%94%B1%E7%9A%84%E6%AD%8C%E5%A3%B0%E4%B9%9F%E4%B8%8D%E5%90%8C.%E4%B8%80%E8%88%AC%E8%80%8C%E8%A8%80%2C%E9%B8%9F%E7%9A%84%E9%B8%A3%E5%94%B1%E5%A3%B0%E6%9C%89%E4%B8%A4%E9%A1%B9%E4%B8%BB%E8%A6%81%E5%8A%9F)
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