下图中甲图表示用某种杆菌为饲料培养大草履虫和双小核草履虫的种群数量变化其中实线为混合培养时双小核草履虫和大草履虫的种群变化虚线为单独培养时 Template




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tomski下图中甲图表示用某种杆菌为饲料培养大草履虫和双小核草履虫的种群数量变化其中实线为混合培养时双小核草履虫和大草履虫的种群变化虚线为单独培养时 coloring