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Marsupials and placental mammals are both sub-groups of mammals. They share the following characteristics:

  • vertebrates
  • warm-blooded
  • have fur, skin or hair
  • breathe through lungs (not gills)
  • the young feed on mother's milk

The major difference, however, is that marsupial young are born undeveloped and continue most of their growth and development whilst they are in the mother's pouch, attached firmly to the teat for several months, where they receive all their nutrients. Placental mammals, when born, are able to live independently of the mother's body.

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