also…
b.) What was the critical evolutionary event which led to the tremendous diversity of grazing animals?
c.) What can be said regarding the spread of mammals into various niches of life [air, fresh water, oceans, land]?
Tag Archive | "cenozoic era"
The Cenozoic Era Is Sometimes Referred To As The “age Of Mammals”. When Did The First Mammals Appear?
Posted on 08 March 2012.
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