carbon dioxide
Dolphins are a mammal as they give live birth, suckle their young, and breath air.
Dolphins are marine (sea-dwelling) mammals - they breath air, and give birth to live young.
They feed their young milk, give live birth, and are warm blooded.Because dolphins breathe air.
First off, it is spelled 'dolphin' Secondly, yes a dolphin is a mammal. It is classified as such for these following reasons: * Dolphins breathe air, unlike most fish who use their gills. * Dolphins are warm blooded * Dolphins have hair, while fish do not. * Dolphins give live birth, rather than laying eggs as fish do. * Dolphins feed their young with self-produced milk.
Yes, dolphins are mammals that live in the sea because they breath air and give birth to live young. They are also warmblooded
There are no whales that give birth to dolphins. Dolphins give birth to dolphins; whales give birth to whales.
Dolphins are mammals. They breathe air.
No. Whales give birth to whales and dolphins give birth to dolphins. Yah. how do you think whales come to the world if they only give birth to dolphins?
Yes, dolphins are mammals and have to come up periodically to breathe air.
They help us because they give off the air we need to breath. They help us because they give off the air we need to breath.
They can spin with about 40-50 spinner dolphins in the air
Oxygen (O2)