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In paragraph 2, the author discusses the development of flight in birds as resulting from

中国大学MOOC答案 数据帝 2024-04-13 扫描二维码

A、

 a similarity in body structure to pterosaurs

  
B、

an evolution from pterosaurs

C、

 the dominance of birds and pterosaurs over land animals

D、 a separate but parallel development process to that of pterosaurs
喵查答案:a separate but parallel development process to that of pterosaurs

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