根据下面长颈鹿的进化示意图的内容进行分析.1从图�中可以看出古代的长颈鹿有的颈长些有的颈短些这些性状是可以遗传遗传的.2从图�和 Template




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tomski根据下面长颈鹿的进化示意图的内容进行分析.1从图�中可以看出古代的长颈鹿有的颈长些有的颈短些这些性状是可以遗传遗传的.2从图�和 coloring