Question

which of the following types of viviparous animals birth their offspring when they are very small?

amphibians

marsupials

reptiles

placental mammals

Explanation:

Amphibians and reptiles are mostly oviparous (lay eggs). Placental mammals have a longer gestation and give birth to more developed offspring. Marsupials, like kangaroos, have a short gestation and give birth to very small, underdeveloped joeys that then develop in a pouch.

Answer:

B. marsupials