下图示某生态系统一段时间内具有捕食关系的两个种群个体数量的变化统计据图分析正确的是 A.种群a为捕食者种群b力被捕食者 b.种群a的营养级 Template




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tomski下图示某生态系统一段时间内具有捕食关系的两个种群个体数量的变化统计据图分析正确的是 a.种群a为捕食者种群b力被捕食者 b.种群a的营养级 coloring