What are the characteristics of mammals?
1.) Body covered by hair or fur
2.) Four-chambered heart
3.) specialized teeth
4.) Warm blooded
5.) Suckle their young with mother's milk
6.) Babies born as miniature versions of an adult
A Mammal is normally defined as a warm-blooded animal with a covering of fur, skin or hair which gives birth to live young who are nourished with milk, and who are vertebrate. All mammals suckle their young, but there is a sub-group known as monotremes, which are the egg-laying mammals. This group includes just the platypus and the echidna. They are still mammals because, like all mammals, they feed their young on mothers' milk. Mammals also breathe through lungs.
Most mammals are also characterised by the following anatomical features:
- A flexible neck with seven cervical vertebrae
- Mammals also show enhanced neocortex development
- Sound is produced by the larynx (a modified region of the trachea)
- Limbs are oriented vertically
- The mammalian heart has 4 chambers
- Internal temperature is generally high
- Live birth. Egg development occurs in the uterus (excluding monotremata)
- They have sweat glands
- A single jaw bone
- Three bones for a middle ear
- Feeds milk to its young
- Hair on the body (at least somewhere)
- Give milk to feed their young
- Breathe air
- Internal skeleton
- The largest group of mammals have placenta which feed the fetus before birth
Hair, Warm blood, Don't hatch out of eggs, Drink our mother's milk normally at birth
Mammals are boys and girls. Mammals are classified based on certain characteristics they have. Some characteristics mammals have are: 1. They have to have at least some hair on their body. 2. The females have to have nipples that they feed their young milk with. 3. And, other than monotremes (platypus and possums and other animals), they have to give live birth to their young. So therefore, all humans are mammals. Cats, dogs, hamsters, and…
Too many to list. The only characteristics that are common in all mammals are that mothers produce milk and that at least some individuals grow at least a little hair (even whales have a little hair), plus characteristics we share with non-mammals, like bones and brains. Pretty much everything else is variable.
One of the characteristics is that all mammals are endotherms, or warm blooded. Another characteristic is that they have either fur or hair on their body. All mammals are vertebrates, or animals with backbones. They have lungs to breathe, like us humans. Mammals also feed milk to their babies. Last but not least, all their babies are born alive. Hope this helped to answer your question.