answersLogoWhite

0


Best Answer

Common defining characteristics of mammalia are

1. endothermic body plan

2. 4 chambered heart

3 hair of some kind

4 3 middle ear bones

5. sweat glands 6. warm blooded

User Avatar

Wiki User

14y ago
This answer is:
User Avatar
More answers
User Avatar

Wiki User

8y ago

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 separates their thorax from their abdomen, they have a 4 chambered heart, Highly developed brain allows them for more memory and intelligence, 2 pair for thumbs, and they have a long parental care.

  • Mammals have mammary glands
  • They are warm blooded
  • They have hair
  • They have a middle ear bone
  • They have a neocortex region of the brain
  • They have sweat glands
  • Except for the three species (which lay eggs), all mammal species give birth to live young.
This answer is:
User Avatar

User Avatar

Wiki User

9y ago

Animals of the class Mammalia share many defining characteristics. For example, all mammals breath oxygen with their lungs. They also give birth to live offspring.

This answer is:
User Avatar

User Avatar

Wiki User

13y ago

One characteristic would be the presence of hair

This answer is:
User Avatar

User Avatar

Wiki User

12y ago

Humans have hair, warm blooded, give birth to live young, and have large and continually developing brains.

This answer is:
User Avatar

User Avatar

Wiki User

11y ago

They have mammalia (feeding nipples), hair and give birth to live young.

This answer is:
User Avatar

User Avatar

Wiki User

12y ago

They give birth to live young

This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: What are the unique characteristics of the class mammalia?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions