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Which of the following is true of early reptile wings?

中国大学MOOC答案 数据帝 2024-04-13 扫描二维码

A、

They evolved from strong limb muscles.

B、

They consisted of an extension of skin.
C、

They connected the front and back limbs.
D、They required fingers of equal length.
喵查答案:

They consisted of an extension of skin.

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