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Biology 17 Online
OpenStudy (anonymous):

The mammals whose offspring are little more than embryos are A. monotremes. B. marsupials. C. placentals. D. amphibians.

OpenStudy (anonymous):

B. ?

OpenStudy (anonymous):

either B or D

OpenStudy (anonymous):

not quite sure

OpenStudy (anonymous):

they both have embryos but i dont know xDD

OpenStudy (anonymous):

what's the answer?

OpenStudy (jtfan2000):

i got amphibians

OpenStudy (flight98):

It's B.

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