Yes, that way they can warn each other for enimies.
whales and dolphina are two different spicies thatdon't communicate with eachother
Whales survive by eating krill.
becoz there not in water. they need water to survive
singing
Whales and dolphins use biosonar for communication and also for navigation .
Yes, they do. 1)to comunicate & 2)call for help & 3) locate the other members of a pod.
they use the same echolocation as bats, whales and dolphins
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.
Whales need to breathe air because they are mammals, like humans, and require oxygen to survive. Even though they live in water, they have lungs and need to come to the surface to breathe.
On Land
No
Whales breathe with lungs. Breathing helps them survive.