图甲表示某湖泊中一种经济鱼类的种群特征图乙和图丙分别为该湖泊生态系统能量�字塔图和能量流动图解图丙中的 Abc代表3个营养级数字均为 Template




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tomski图甲表示某湖泊中一种经济鱼类的种群特征图乙和图丙分别为该湖泊生态系统能量�字塔图和能量流动图解图丙中的 abc代表3个营养级数字均为 coloring