Whales belong to the zoological order of marine mammals called Cetacea which also includes dolphins and porpoises. All such mammals, known as cetaceans, have a blowhole on the top of the head for breathing, a streamlined body, and a horizontal fluke a type of fin on the tail.
There are two main types suborders of whale and they are categorized zoologically by their eating apparatus:. You may also be interested in: Is a banana a fruit or a herb?
Or have a look at other similar queries in our random questions section. Whales are mammals because they give birth to live young, they have fur although it is very sparse on their body , they have lungs and breath air and they provide milk for their young.
You have a lot of interesting questions about marine mammals. Dolphins and other whales are all mammals called cetaceans. Mammals, and only mammals, have fur or hair and they feed their babies milk.
Whales all feed their babies milk. You may be thinking that whales dont have any fur. You are mostly right. They have fur when they are fetuses, but lose it before they are born. A few species have whiskers as adults and whiskers are a type of hair. There are certain characteristics that all mammals have in common. Mammals all are warm-blooded animals, they breathe air, have hair, and moms feed their babies milk from mammary glands.
Whales actually do all of these things! Whales are warm blooded, which means they keep a high body temperature that does not change in the cold water.
Fish are cold-blooded, so their body temperature changes depending on the temperature of their environment. Are whales mammals or fish? There are some significant differences between whales and fish: Whales are warm blooded. Fish are cold blooded.
Whales breathe air through lungs. Fish use gills to extract air from water. Whales give birth to live young. Most fish with some exceptions lay eggs. The tail of a whale moves up and down. The tail of a fish moves from side to side.
What is a whale shark?
0コメント