What are the three main groups into which mammals are divided?

asked Jun 4, 2021 67.9k views

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5 votes

Answer:

Monotremes, Marsupials, and Placental mammals.

Mono mammals lay eggs

Marsupials are developed in the stomach/pouch

Placental mammals are developed in the fetus/uterus.

Chioma answered Jun 10, 2021

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