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