Eutheria facts for kids
Quick facts for kidsEutheria (including placental mammals)
Temporal range: Lower Cretaceous – Recent
|House Mouse, Mus musculus|
All living Eutherians are placental mammals. This means that a Eutherian fetus is fed during gestation by a placenta. The offspring of Eutherians are carried in the mother's uterus until fully developed.
Monotremes, for example, lay eggs which protect the young until they are fully developed. Marsupials give birth to young who are not completely developed. Their young then move to a special pouch in the mother's body to continue their development.
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Eutheria Facts for Kids. Kiddle Encyclopedia.