Final answer:
The opossum is the sole marsupial found in North America, contrasting with marsupial dominance in Australia. These mammals showcase unique features like early birth and pouch development.
Explanation:
The only marsupial found in North America is the opossum. Marsupials, primarily found in Australia, include iconic species like the kangaroo and koala. Unlike eutherians, marsupials have a less complex placental connection and give birth to extremely premature young that continue to develop in a pouch.
Learn more about Marsupials here:
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