I would say B because A doesn’t have a ring to it.
During sleep the brain consolidates information into the long term memory.
Active transport moves molecules and ions from lower concentration to higher concentration with the help of energy in the form of ATP & passive transport moves molecules and ions from a higher concentration to lower concentration without any energy.
Overfishing would result in an bottleneck effect as large number of fish is removed from a population of fishes. The size of the population has an larger effect on the amount of genetic diversity. Larger the population greater the genetic diversity.Due to overfishing, population would become smaller resulting in reducing genetic diversity. So the answer is B.