Mesoplagic zone is the zone which is found in the lower depth of the ocean which receives no sunlight. The zone remains dark. Here, animals exhibit a special adaptation of bioluminescence which means animals emit light to detect prey in darkness.
I think the correct answer from the choices listed above is the second option. The zone in which some aquatic organisms rely on bioluminescence to entice prey would be the mesopelagic zone. It<span> is that part of the pelagic </span>zone<span> that extends from a depth of 200 to 1000 metres below the ocean surface.</span>
