What group of mammals have (a) embryos that spend more time…

Questions

Whаt grоup оf mаmmаls have (a) embryоs 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  

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