Question

Which type of mammal possess a pouch in which the young reside after birth?

Answer 1

Pouched mammals are called marsupials. They are viviparous but develops a short lived placenta. Hence birth takes place in very immature condition; the baby later develops in mom's abdominal pouch.

Explanation:

Read this if interested:
https://socratic.org/questions/how-would-you-compare-the-reproductive-patterns-of-monotremes-marsupials-and-pla