下图为长颈鹿的进化过程示意图请据图回答下列问题 1从图中可以看出古代长颈鹿的前肢和颈有的长有的短原因是长颈鹿的祖先 2 Template




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tomski下图为长颈鹿的进化过程示意图请据图回答下列问题 1从图中可以看出古代长颈鹿的前肢和颈有的长有的短原因是长颈鹿的祖先 2 coloring