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.
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.
all mammals need air to live. This is the same with the dolphin.
Well they need air to breath they can't stay in the water without air they will die.
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.
Dolphins are mammals. They breathe air.
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 must surface for air to breathe. They have lungs and can't extract oxygen from water like fish do. Typically, dolphins surface every few minutes, but they can hold their breath for up to 15 minutes if needed. However, they eventually need to come up for air to survive.
Yes, dolphins are mammals and have to come up periodically to breathe air.
Because the need to check out the other dolphins.