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1. Parasite
2.commensalism/parasite
3.commensalism
4. Parasite
5.commensalism
6.commensalism
7. Mutualism
Answer:
B
Explanation:
theyre all different bcz of genetic variation
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B. Subgroups
<span>When constructing a dichotomous key, the first step is to look at the group of objects or organisms and separate them into two groups based on a single distinguishing characteristic. Then continue to separate each of the groups until each object has its own separate set of characteristics.</span>
The answer is D. It removes the microbes but does not kill them.