有关右图的叙述正确的是a.图中只有两条捕食食物链 b.细菌与狐之间既捕食又竞争c.细菌在捕食链中占有第二三四五共四个营养级d.狐既是 Template




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tomski有关右图的叙述正确的是a.图中只有两条捕食食物链 b.细菌与狐之间既捕食又竞争c.细菌在捕食链中占有第二三四五共四个营养级d.狐既是 coloring