右图为草原生态系统的食物�示意图请据图回答 1该生态系统中有 条食物链最长的一条食 物链为 2若要表示一个生态系统该示意 Template




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tomski右图为草原生态系统的食物�示意图请据图回答 1该生态系统中有 条食物链最长的一条食 coloring