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Gaokao Biology Practice Question

4.( 6分)下列有关生态系统的叙述,错误的是( )

  1. A.生态系统的组成成分中含有非生物成分
  2. B.生态系统相对稳定时无能量输入和散失
  3. C.生态系统持续相对稳定离不开信息传递
  4. D.负反馈调节有利于生态系统保持相对稳定

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