爱护花草树木是每个人的责任和义务.树木属于生态系统中的( )

爱护花草树木是每个人的责任和义务.树木属于生态系统中的(  )

   A. 非生物部分    B. 生产者            C. 消费者           D. 分解者

答案

B

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