一个生态系统的四种生物构成了一条食物链在某一时间它们的相对数量关系如图所示.下列说法肯定不正确的是a该食物链可表示为丙→甲→乙→丁b甲和 Template




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tomski一个生态系统的四种生物构成了一条食物链在某一时间它们的相对数量关系如图所示.下列说法肯定不正确的是a该食物链可表示为丙→甲→乙→丁b甲和 coloring