This would be considered a mutation.
Answer:
If <u>bacterial plague</u> (a.k.a. dental plague) accumulates around the teeth over a period of time, periodontal disease may result.
It is domian, kingdom, phylum,class,order, family, species. aka. King Philip coughed on Fred and then he got sick
It is because they have hydrophilic phosphate groups that are attracted to water and hydrophobic fatty acid tails that avoid water.
Hope this helps!