Why does a zebra have stripes? 斑马为何有斑纹? - BBC 英伦网

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White stripes could have been a result of natural selection ... white in a vast herd provides confusing camouflage that puts off predators. Whydoesazebrahavestripes?斑马为何有斑纹?2012年2月10日VictoriaGill,BBCNews圖像加註文字,Whitestripescouldhavebeenaresultofnaturalselection媒體英語會帶大家一起學習BBC撰稿



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