下图为某一生态系统的能量�字塔其中ⅠⅡⅢⅣ分别代表不同的营养级e1e2代表能量的形式下列叙述正确的是 A.图中的一条食物链可表示 Template




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tomski下图为某一生态系统的能量�字塔其中ⅠⅡⅢⅣ分别代表不同的营养级e1e2代表能量的形式下列叙述正确的是 a.图中的一条食物链可表示 coloring