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What are the characteristics of mammals?

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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
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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
  • Diaphragm
  • 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
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What are the common characteristics of mammals?

Mammals are a type of animals in the world. There are thousands of types of mammals. But certain characteristics are common in all the mammals. There are five things all mamm

What are some major characteristics of mammals?

Air-breathing, vertebrates, warm blooded, 4 chambered heart, have hair, three middle ear bones, and feed young with breast milk. Most mammals have sweat glands and have a plac

What are the characteristics of a mammal?

Their bodies are covered with hair, they are Viviparous which means they have a live birth, they nurse their young with milk from mammary glands, they have a diaphragm that se

What are the characteristics of an egg-laying mammal?

Egg-laying mammals are known as monotremes, and they include the platypus and the echidna. Their characteristics are:unlike placental mammals and marsupials, they do not give