The deep ocean remains one of the least explored parts of our planet, hiding countless unique species that continue to surprise scientists. Unlike creatures living near the surface, many deep-sea animals have developed unusual features to survive in complete darkness, kness, extreme pressure, and freezing temperatures. One such example is the anglerfish, which uses a bioluminescent lure to attract its prey in the pitch-black depths. Another fascinating species is the giant squid,rarely seen by humans but known to grow to impressive lengths. Some deep-sea creatures, like certain jellyfish, glow in the dark through a chemical reaction in. These species play a crucial role in maintaining the ocean's delicate ecosystem. However, human activities like deep-sea mining and pollution threaten their existence. Scientists stress the importance of protecting these hidden worlds, as they could hold secrets that help us understand life on Earth and even develop new medicines.
The word “bioluminescent” means:
Show answer & explanation
Correct answer: B
Explanation
According to the passage, some deep-sea creatures, like certain jellyfish, 'glow in the dark through a chemical reaction in their bodies,' which is described as bioluminescence. Therefore, the word 'bioluminescent' refers to an organism's ability to produce and emit light naturally.