In a hybrid zone, can occur if the reproductive barrier between two species is weak, as seen among cichlids in the murky waters of modern lake victoria. a. reinforcement b. fusion c. allopatric speciation d. reproductive isolation

the oceanic zone is typically defined as the area of the ocean lying beyond the continental shelf, but operationally is often referred to as beginning where the water depths drop to below 100 meters (328 feet), seaward from the coast to the open ocean.

explanation: