如图是某草原生态系统中部分生物之间关系的示意图据图回答1图中所含食物链有66条.2如果该草原中喷洒了含有有机汞的农药体内残留有机 Template




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tomski如图是某草原生态系统中部分生物之间关系的示意图据图回答1图中所含食物链有66条.2如果该草原中喷洒了含有有机汞的农药体内残留有机 coloring