Multiple Choice
What group of mammals have (a) embryos that spend more time feeding through the placenta than the mother's nipples,(b) young that feed on milk,and (c) a prolonged period of maternal care after leaving the placenta?
A) Eutheria
B) Marsupiala
C) Monotremata
D) all of the above
Correct Answer:

Verified
Correct Answer:
Verified
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