Dentition
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Dentition pertains to the development of teeth and their arrangement in the mouth. In particular, it is the characteristic arrangement, type, and number of teeth in a given species at a given age, as
Cast of a human upper jaw showing incisors, canines, premolars, and two of the three possible pairs of molars.
Marsupial
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Marsupials are a diverse group of mammals belonging to the infraclass Marsupialia. They are natively found in Australasia, Wallacea, and the Americas. One of marsupials' unique features is their repro
Koala (Phascolarctos cinereus)
Female eastern grey kangaroo with a joey in her pouch
Reproductive tract of a male macropod