1. Marsupials
... lower jaw) or diprotodonts (fewer teeth with only one pair of especially well-developed incisors on the lower jaw). Characteristics of their pouch, fore and hind foot structure, nature of tail and whether they are tree-dwellers, burrowers or ground-dwellers, help to classify them further Mammals that can live on land and prey on other animals tend to look similar ... ...
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- Grade Level: Undergraduate