Why is a blue whale a mammal?

Answer 1

Like all mammals, whales breathe air into lungs are warmblooded , feed their young with milk from mammary glands and have some hair although very little
Because that's the way they evolved. They are classed as mammals because they breathe air and give live birth.

Answer 2

Humpback whales give live birth, nurse their young with milk, breathe air through their lungs, and are warm-blooded.

It breaths air, has a spine, gets pregnant and gives birth to live young which it then suckles using mammary glands.

Answer 3

Because it has a lot features that mammals have. It breathes with lungs, it gives birth to live young, the young suckle milk from their mothers, they're warm blooded.

Because they are warm-blooded, breath air through lungs, and give birth to live young and nurse them. The presence of mammary glands is the distinguishing feature of mammals.
Whale is mammal because

• they have mammary glands to feed their young ones.
• they are viviparous means they give birth to young ones.
• they have four chambered heart.
• they are warm blooded animals.

Answer 4

It breathes air. It gives birth to live young and feeds them mother's milk and they have hair and a backbone.
Humpback whales are mammals because, they have their babies born alive

not, from eggs like frogs.

Answer 5

Because it has the mammal characteristics. Air-breathing, live birth, suckle their Young, etc.

Answer 6

Cause (mammal)humans hump hard unlike fish

Answer 7

They bear live young and nourish them.

Answer 8

Yes.