Broca area is the region of the brain that contains neurons involved in speech functioning. It is located in the frontal part of the left hemisphere of the brain,
the broca's area is known and considered to be responsible for controlling the muscles of related movements of lips, tongue, larynx, and pharynx.
Damage to the frontal area can result to speech disorder known as broca aphasia, which can be characterized by deliberate, telegraphic speech with very simple grammatical structure, though the speaker may be quite clear as to what he or she wishes to say and may communicate successfully.
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.
