DNA evidence shows that many of the ratite lineages split well after Gondwana broke up.
DNA证据显示,许多平胸类鸟系在冈瓦纳大后化得很好。
It looks like flightlessness evolved among the ratites at least six times independently, which is very surprising.
看起平胸类鸟群无法飞行至少独立进化六次的结,非常令人惊讶的。
But the DNA data fouled up this hypothesis DNA evidence shows that many of the ratite lineages split well after Gondwana broke up.
但 DNA 数据推翻了一假设 DNA 证据表明,许多平胸岩谱系在冈瓦纳大后得很好。
One of these lineages was the paleognathes, which today include ratites like ostriches and emus, as well as weird South American birds called tinamous.
些血统之一古颌类,今天包括鸵鸟和鸸鹋等平胸动物,以及南美洲奇怪的鸟类, 称为 tinamous。
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