How do we know about the squid's predators?
The correct answer is
B. Remains in the stomachs of whales.
Though it is difficult to know about how giant squids live because they live in the deep ocean and because they are elusive, it is known that the giant’s main predator is the sperm whale because rests of giant squid have been found inside of sperm whales. Squids are crucial because they serve as a primary source of food for many species.