如图甲表示北极冻原生态系统中部分生物构成的食物�图乙虚线方框内表示一个生态系统箭头 表示该生态系统能量流动的一般性模型.请据图回答1 Template




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tomski如图甲表示北极冻原生态系统中部分生物构成的食物�图乙虚线方框内表示一个生态系统箭头 表示该生态系统能量流动的一般性模型.请据图回答1 coloring