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Mammals under this subclass give birth to young one?

Mammals under this subclass give birth to young one?

اس ذیلی طبقے کے تحت پستان دار جانور جوان کو جنم دیتے ہیں؟
Explanation
  • Eutherian mammals give birth to fully developed young ones and have a well-developed placenta (e.g., humans, dogs, and elephants).
  • In contrast, Metatheria (marsupials) give birth to underdeveloped young, and Prototheria (monotremes) lay eggs.