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.
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.