下列生态系统中自动调节能力最弱的是(　　)_刷题宝

题干

下列生态系统中自动调节能力最弱的是(　　)

A：温带阔叶林

B：热带雨林

C：北极冻原

D：温带草原

上一题下一题 0.0难度选择题更新时间:2020-02-17 10:47:01

答案(点此获取答案解析）

C

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