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【单选题】
在分解复杂大分子有机物时,往往是由多种微生物共同协同完成的,乙种微生物以甲种微生物的代谢产物为食物,丙种微生物又以乙种微生物的代谢产物为食物,这种微生物之间的关系称为A.
互生关系
B.
接力关系
C.
共生关系
D.
寄生关系
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