如果在草原上使用高效灭鼠药使鼠类在短时期内几乎全部死亡则草原生态系统的各成分中受影响最大的首先是 A.生产者 b.分解者 C.初级 Template




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tomski如果在草原上使用高效灭鼠药使鼠类在短时期内几乎全部死亡则草原生态系统的各成分中受影响最大的首先是 a.生产者 b.分解者 coloring