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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.
Wiki User
∙ 12y ago
Wiki User
∙ 11y agoThe dolphin's blow hole is on top of its head so that when it needs to breath, it does not have to completely surface its head. This allows them to simply surface the top of their head. It is much quicker.
Wiki User
∙ 14y agoThey have blow holes because that is how they breathe (exhale+inhale) and squeak. It is easier with a separate "nose" out of the water so the dolphin doesn't have to lift its entire head.
Wiki User
∙ 16y agoIf we installed them on their bellies, they'd need to swim upside down to breathe.
Wiki User
∙ 13y agoTo breath when they come up for air. A dolphins blow hole is like a nose on the top of its head.
Wiki User
∙ 12y agothey have this on the top of there head so they can go to the top of the surffice to get air when they need it
Wiki User
∙ 12y agoDolphins and porpoises have blow holes at the top of there head because they are mammals and need air.
Wiki User
∙ 13y agoTo breath through.
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What animals have blowholes?
Whales and dolphins.
What type of whale has a blowhole?
All types of whales have blowholes because they need them to breathe. As we have noses, whales have blowholes. Porpoises and dolphins have blowholes as well.
What whales are dolphins?
Whales and dolphins are mammals. They both have at least one hair/fur on them and they breathe air (thats why the have blowholes).
If whales and dolphins are mammals how can they live under water for such long periods at a time?
It is beacouse of their blowholes
How many blowholes do toothed whales have?
The answer is 2 blowholes for whales.
Which type of fish have blowhole?
Usually whales. Most fish don't have a blowhole because they have gills. Only mammals such as dolphins and whales have blowholes.
do whale have blowholes?
No whale sharks don't have blow holes they have gills like other sharks
What is the function of dolphin animals blowholes on there head?
Dolphins (and whales, etc) breath through the blow holes on their head.
Why are whales unable to breathe to their mouths?
Whales don't need to breathe through their mouths. Instead, they breathe through their blowholes on top of their heads, like the dolphins and porpoises.
Why are whales unable to breathe through their mouths?
Whales don't need to breathe through their mouths. Instead, they breathe through their blowholes on top of their heads, like the dolphins and porpoises.
Are dolphins affected by the sun?
Dolphins have tight blowholes.
Do whales have big blowholes?
no
