Question

Where does a placental mammal develop before its body systems can function independently?

Answer 1

A placental mammal develops before its body systems can function independently;

A. Inside it's mothers body

Mammals don't come from eggs, and the term placental mammal means it has a placenta. It comes out when our mothers deliver. A marsupial mammal forms in a pouch, so the answer is inside it's mothers body

Answer 2

The answer you are looking for is A inside it’s mothers body