So they can breath.
The hole on the top of a whale's head is a nostril, that is where it breathes when it comes up for air. And yes, they survive. Otherwise there would be no whales.
Whales are marine mammals. They have internal lungs, with a breathing blow-hole on the top of the head.
yes, whales have two massive lungs and breath from the hole on top of their head
No whale sharks don't have blow holes they have gills like other sharks
blue whales are the largest whales and mammals
Some whales are at the top of their food chain. While others, like the Blue Whale and the Humpback, are eaten by many Japanese.
On the top of their heads.
Aren't you a whale? Does a whale know how to write or have a computer? This is absolutely bizarre!
They breathe through the blow hole on the top of their heads
Both dolphins and whales have blowholes because they do not have noses to breathe but a hole to breathe when they reach the surface of the water.Therefore,this is an adaptation for both animals.
Whales originally evolved from a dog looking creature. Over thousands of years, the nose of the species continually moved to the top of its head. Which is why the current evolution of whales have the blowhole on the their head.
A hole on the top of the back that is called a blowhole.