skin and blubber
Skin, not scales.
Orca Whales are covered in Scales.
Marine mammals do not have hair covering their bodies. This includes creatures such as dolphins, dugong, whales, seals and sea lions.
Since blue whales are mammals they have skin with tiny amount of hair.
ice covering the surace is dangerous,they need to breathe up the surface
Baleen look like long thin teeth placed very close to one another.
they have pretty much the same skin as most sea mammals , it like a natural wet suit.
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A whale is covered in a layer of 'blubber', a fat and flesh composite particular to whales, beneath an outer layer of thick, shaggy fur.
THE TOOTHLESS WHALES: blue whales, finback whales, right whales, sei whales, humpback whales, and gray whales. THE TOOTHED WHALES: white beluga whales, black beluga whales (pilot whales), orcas (killer whales), sperm whales.
Whales are mammals, just as we are. Their bodies are covered by thick skin. Underneath the skin is a thick layer of fat known as blubber which insulates the body.
Bowhead whales are baleen whales.