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  1. The NOAA enforces the Marine Mammal Protection Act through the implementation and enforcement of various policies and regulations to properly manage marine mammal populations. The NOAA does this through the identification of violations of the MMPA, coordinating efforts to aid stranded and entangled mammals, and conduct proper rehabilitation and release of injured marine mammals. [1]

  2. The vast majority of mammal species give birth to live young, these are the placental mammals, most of which are classified as Eutheria and a small number are classified as marsupials. Marsupials are mammals with pouches to carry young in, like the kangaroo.

  3. Cronopio is an extinct genus of small insectivorous mammal known from the early Late Cretaceous of the Río Negro region in Argentina. It belongs to the Meridiolestida, an extinct group of mammals widespread in South America during the Late Cretaceous, which are more closely related to modern marsupials and placental mammals than to monotremes

  4. Ya se han apuntado los caracteres sinapomórficos de la clase Mammalia. Todas las especies los presentan y son exclusivos además de la clase: El dentario como único hueso de la mandíbula, que se articula con el escamoso en el cráneo.

  5. Manis es un género de mamíferos folidotos de la familia Manidae, conocidos vulgarmente como pangolines.Tienen grandes escamas, que cubren la mayor parte de su cuerpo.Se encuentran en las zonas tropicales de Asia y de África.