What do kangaroos, koalas, and opossums all have in common? Find out when you learn all about marsupials!
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SOURCES:
http://www.britannica.com/animal/mars...

http://www.britannica.com/animal/opossum

http://animals.sandiegozoo.org/animal...

http://www.ferris.edu/card/kids_corne...

https://web.missouri.edu/~krausew/His...

http://www.abc.net.au/science/article...