Answer:B To preserve all organisms in the MPA, increasing biodiversity both within and around the area.
Step-by-step explanation:
Marine protected areas(MPA) help in conserving biodiversity, allows for fisheries by protecting them and resilience.
Mpa helps to protect end restore an ecosystem and species that are endangered, research are being carried out in this area, some are used as tourist centres to generate income and improve livelihood of people.
It can be use to purify water bodies,trap carbon, protecting large old fish used for reproduction and population replenishment.