Genetic diversity serves as a way for populations to adapt to changing environments. With more variation, it is more likely that some individuals in a population will possess variations of alleles that are suited for the environment. Those individuals are more likely to survive to produce offspring bearing that allele.
the characteristics applies to all three domains and viruses by the genetic material.
A substance with pH 6 would be an acid, because it's 1pH to the left of a neutral substance
Skeletal and Muscular Systems
Ok, I'm not fully sure but answer B sound right, so I think it's right
