I think the correct answer is B.
Makes the most sense to me.
The answer to this question is K. synapse
6. <span>Because fitness refers to how many offspring you have and how many of those offspring survive and later reproduce.
7. </span><span>The individual would have a greater fitness if the trait that made the individual live longer would result in having more grandchildren.
8. </span><span>Genes on chromosomes in DNA control traits. Crossing-over, random segregation in meiosis, and mutations produce genetic variation.</span>
