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3 Cards in this Set

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Order: Monotremata

6 Species


Exemplar Species: Platypus, Echidna


Distribution: Australia & New Guinea


Ecology: Aquatic, ground dwelling, or fossorial


Characteristics: Only egg-laying mammals, have no teeth as adults and have electrosensory receptors.

Order: Metatheria

331 Species


Included Species: Kangaroos, wallabies, koalas, wombats


Distribution: Australia, Southeast Asia, Americas


Ecology: Cosmopolitan


Characteristics: Gives birth to altrical young, can develop embryonic diapause

Order: Didelphimorpha

Opossums