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Viviparous is a method of animal reproduction in which the embryo
develops inside the body of the mother from which it gains nourishment, and not from an egg.
Viviparous offspring live independently and require an external food supply from birth. Vivipary is best developed in placental
mammals, but also occurs in many reptiles,
some amphibians and a few fishes.
See also: Oviparous, Ovoviviparous, Marsupials, and Placental mammals.
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