如下图表示某草地上草虫鸟三类生物数量的变化曲线下列叙述正确的是 A.甲乙丙依次是鸟虫草b.生态系统崩溃的原因最可能是鸟类的 Template




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tomski如下图表示某草地上草虫鸟三类生物数量的变化曲线下列叙述正确的是 a.甲乙丙依次是鸟虫草b.生态系统崩溃的原因最可能是鸟类的 coloring