Question 8 Manatee Hyrax Aardvark Tenroc Elephant shrews Marsupials This tree is

Question

Question 8 Manatee Hyrax Aardvark Tenroc Elephant shrews Marsupials This tree is the same as the one you've been considering, but shows the position of marsupials and monotremes as outgroups to the African mammals. Monotremes are mammals but lay eggs. Marsupials bear live young but the young leave the womb much earlier than the young of African mammals. Baby marsupials do most of their early development in a pouch. Are the African mammals on this tree higher than marsupials and monotremes? o Yes-they are much more complex common ancestor. and the more recent group would be higher a No-all of the groups on this tree have been evolving for the same amount of time from their ó It depends on which group appeared first in the fossil record-the oldest group would be lower

Explanation / Answer

ANSWER - YES - THEY ARE MUCH MORE COMPLEX .

Marsupial Mammals. it grabs on with its mouth and continues to develop, often for weeks or months depending on the species

Placental mammals nourish the developing embryo using the mother's blood supply, allowing longer gestation times.

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