Question

a.
How do the eyes of the lantern fish help it to survive in the dark?

Large eyes are common in deep sea creatures as they help to collect as much light as possible in the eternally dark waters. The body of the lanternfish is covered with light-producing photophores.

Answer 1

It is believed that these light organs are used to attract other small fish on which the lanternfish feeds. They may also be used to signal other lanternfish during mating. Large eyes are common in deep sea creatures as they help to collect as much light as possible in the eternally dark waters.