下列关于生态系统的叙述不正确的是 A.生态系统是动态变化和开放的系统b.生态系统中各种成分所占比例是不会变化的c.绿色植物是生态系统的基础 Template




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tomski下列关于生态系统的叙述不正确的是 a.生态系统是动态变化和开放的系统b.生态系统中各种成分所占比例是不会变化的c.绿色植物是生态系统的基础 coloring