Questions tagged [marsupials]

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Do marsupials ever die in childbirth?

Question: Do marsupials ever die in childbirth? Obviously the notion of there being a linear ordering of "least advanced" to "most advanced" life forms isn't correct. Still, often marsupials are ...
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Do Marsupials have a standard classification system for their blood groups?

I've seen a limited amount of animal blood groups listed...like dogs, cats, horses, etc. But what blood types do marsupials have? To clarify, what I want to know is if the species has a ...
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When did placental mammals arrive in North America?

I saw a documentary with a lot of details about the replacement of marsupial bears and wolves of the Americas with placental ones. I can't find information about them, does someone have some ...