proterozoic
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Example Sentences
Example:The Cenozoic era is marked by major evolutionary changes compared to the Proterozoic.
Definition:The most recent eon in the geologic timescale, extending from 66 million years ago until the present, known for the rise of mammals and flowering plants.
From Cenozoic
Example:The Mesozoic era contrasts with the Proterozoic in terms of the types of life dominating the Earth.
Definition:The eon that followed the Paleozoic, extending from 252 million to 66 million years ago, and characterized by the rise of dinosaurs.
From Mesozoic
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