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Digiron [165]
3 years ago
13

Some bacteria live in the human digestive tract. Here bacteria finds a good environment to obtain nutrients. Humans improve the

health of their digestive tract
due to the presence of this bacteria
A.predation
B.commensalism
C.parasitism
D.mutualism
Biology
1 answer:
Ivan3 years ago
7 0
What question are we answering?
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