Dolphins and all whales need air to breathe because they are mammals with lungs, not fish with gills. they are believed to have evolved as land animals and then returned to the sea.
They need them to breathe through. Dolphins, being mammals, have to inhale air and hold their breath underwater.
all mammals need air to live. This is the same with the dolphin.
Whenever dolphins need to get air they temporarily swim at the surface of the water. Baby Dolphins when born are pulled up to the surface so they don't drown.
Well they need air to breath they can't stay in the water without air they will die.
Dolphins are mammals. They breathe air.
all dolphins are mammals because of why any other mammal is a mammal because they have live birth and need to breathe air to live.
Pink dolphins need water because they are dolphins.
Whales, dolphins, dugongs. turtles, seals, walruses, etc.
Dolphins go to the surface because they need air (oxygen) to breath and fish can air (oxygen) from the water.
Yes, dolphins are mammals and have to come up periodically to breathe air.
Because the need to check out the other dolphins.
They can spin with about 40-50 spinner dolphins in the air