动物a和b生活在同一环境中现研究两者之间的关系右图表示ab在120天内的种群数量变化下列说法错误的是a 物种a和b之间是捕食关系b Template




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tomski动物a和b生活在同一环境中现研究两者之间的关系右图表示ab在120天内的种群数量变化下列说法错误的是a 物种a和b之间是捕食关系b coloring