They need to locate their prey so the use their vocal box and find their prey. They also need to stay in touch with others for danger.
Whales survive by eating krill.
Whales and dolphins use biosonar for communication and also for navigation .
Killer Whales (Orca orca) have a thick layer of blubber to keep them warm. Killer whales are a toothed whale belonging to the oceanic dolphin family.
Whales are sea animals and Antarctica is a continent. Whales survive in the Southern Ocean -- which surrounds Antarctica -- because it is their natural habitat when the ocean is free of ice.
No
On Land
Whales breathe with lungs. Breathing helps them survive.
Yes, whales are mammals. As are dolphins and humans.
defense
Er... No?!!
no
This program is rubbish