9.如图是某生态系统食物�结构图下列叙述正确的是 A.该食物�中共有5条食物链b.若在该生态系统中施用杀虫剂则在c的体内杀虫剂浓度最高 Template




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tomski9.如图是某生态系统食物�结构图下列叙述正确的是 a.该食物�中共有5条食物链b.若在该生态系统中施用杀虫剂则在c的体内杀虫剂浓度最高 coloring