0
Why did the nostrils slowly evolve to the top of a whales head?
Wiki User
∙ 10y ago
because blubber
Wiki User
∙ 10y ago
Add your answer:
Earn +20 pts
What is an example of transitional forms?
Whales, because their legs become vestigial for modern day whales. Their legs start to shrink slowly on the ancestors of fossils related to the whales, which slowly evolve to fins. Fish swim side to side, while the whales and dolphins move up and down. The nose slowly moves to the top of the head through the generations.
How many animals have a blowhole?
Whales, dolphins and porpoises have a blowhole, (or nostrils), on top of their head so they can breathe in and out when they are on the surface of the water. Since they are the only mammals that spend their entire lives in the water, and much of it underneath the surface, they are the only mammals to have a blowhole on top of their head. Most mammals have their nostrils in the front of their face, similar to human beings.
What is the advantage of having the nostrils at the top of the head?
It is easier to get oxygen from the surroundings.Keyword:Top of the head
Why are crocodiles Eyres and nostrils high on his head?
It just randomly is.
How much does a sperm whales head weigh?
a sperm whales head ways about 5 tons (tonnes)
Which animals have only one nostril?
Baird's Beaked Whale (Berardius bairdii). The male can be up to 12 metres long. These whales belong to the order of animals known as cetaceans, sub-order odontoceti (toothed whales). Dolphins, Beluga whales and Orca are other examples of this group. In this group, the nostrils have become a large single blowhole on the top of the head. Unlike in humans, this means that the airway is separate from the food passages.
Does a live camel has openings on the back of his head?
No, only the nostrils on the nose.
What does a boa constrictor breath in?
Snakes breath through the nostrils located in the head .
How does a bald egal breath?
Through it's nostrils and lungs just like a human. The nostrils are located at the top of the beak where the beak joins the feathers of the head
Do whales breathe air with there gilles?
Whales are mammals who breathe air into their lungs. Blowholes are a whale's nostrils and are located on the top or back of the whale's head. Blowholes are covered by muscular flaps that keep water from entering them when the whale is under water. In the relaxed state, the flap covers the blowhole. A blowhole leads to the whale's trachea and then to its lungs. Unlike us, whales cannot breathe through their mouth; they only breathe through their blowholes.
What is the hole called through which whales breath?
Whales have lungs and come to the surface to breathe. Their nostrils called blowholes are located on the top of the head to access air easily. Whales exhale, condensation from the 2 blowholes forms a 'v-shaped' 'blow'. when they submerge they hold their breath.
What do whales breathe through?
Whales Breathe through a blowhole, a modified nostril at the top of their head.
