如图为某草原生态系统流经第二营养级的能量示意图其中a表示该营养级食物的�入量f表示流�下一营养级的能量以下分析正确的是 A.图中b Template




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tomski如图为某草原生态系统流经第二营养级的能量示意图其中a表示该营养级食物的�入量f表示流�下一营养级的能量以下分析正确的是 a.图中b coloring