no kid
to study dolphins
dolphins do use them. they use them to catch fish and to tear things apart.
They use echolocation!
No.
Bats and Dolphins both use sound to navigate.
Dolphins are free swimming and don't use any shelter.
yes
food
Yes, dolphins use sound, which is a kind of vibration, to speak, and also to navigate by means of sonar.
because is dark in the sea, so the dolphins can't see. the dolphins use ultra sound to navigate and to hunt for pray, like a bat does.
Dolphins have been trained to do various things such as locating enemy combatants for the navy and rescue lost naval swimmers(military dolphins). They are also trained to have babies................
Dolphins are super smart and the navy has been able to use them.