The Three Types Mammals

 

There are three types of mammals based on how they give birth and nourish their young. The three types are:

• ·       Monotremes:

A group of highly specialized animals that lay large yolky eggs and have a common opening for the urogenital and digestive systems.

Examples: platypus, echidna

• ·       Marsupials:

 Marsupials give birth to tiny, underdeveloped young. The young crawl into a pouch and suckle milk.

Examples: kangaroos, koalas

• ·       Placentals (Eutherians):

Placentals give birth to a well-developed young. The young suckle milk from nipples.

• Example: humans, dogs, whales, elephants, cats, cows