Why is dolphin classified as a mammal?

Answer 1

Dolphin is classified as mammal as it possess all mammalian characters i.e. hair , mammary glands for feeding young ones , 7 cervical vertebrae and so on .
dolphins r mammals bcoz they need air to breathe and are warm and have proper flesh on the inside

Answer 2

Mammals are animals defined by various characteristics, of which cetaceans (including whales; dolphins are a subset of whales) fulfill enough to prevent their classification as any other type of animal.

Answer 3

To be a mammal, an animal has to breath air, have warm blood, give birth to live young and feed the live young on milk.

Whales and Dolphins do all these things and are therefore mammals. They are land animals that have adapted to a life in water.

Answer 4

Dolphin are mammal ...... they nures their youngs im right people

A

Answer 5

Because they give birth to their babies and don't lay eggs like other fish do.

Answer 6

Yes they are because they give birth to living babies !!

Answer 7

they call dolphins and whales mammals because that means they give birth to there young and there not in an egg so that's why there called mammals! ;)

Answer 8

Dolphins, whales and porpoise all give birth to live young and suckle them.

Answer 9

Because they give birth to live young