Question

select all that apply
select all the examples of marsupials.
echidna
duck - billed platypus
opossums
kangaroos

Explanation:

Marsupials are a group of mammals that have a pouch where their young develop. Opossums and kangaroos are well - known marsupials. Echidnas and duck - billed platypuses are monotremes (egg - laying mammals), not marsupials.

Answer:

opossums, kangaroos