15.为了探究细菌对植物遗体具有分解作用某校生物兴趣小组设计了如下两套实验方案方案一将同一棵�的部分落叶进行灭菌后平均分成甲乙两组 Template




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tomski15.为了探究细菌对植物遗体具有分解作用某校生物兴趣小组设计了如下两套实验方案方案一将同一棵�的部分落叶进行灭菌后平均分成甲乙两组 coloring