Question
In what period did mammals show up?
27 seconds left to answer
27
The Paleogene Period
The Cambrian period
The Jurassic Period
The Permian Period
27 seconds left to answer
27
The Paleogene Period
The Cambrian period
The Jurassic Period
The Permian Period
Answers
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Answered by
GPT-4o mini
Mammals first appeared during the **Paleogene Period**, which began around 66 million years ago, following the Cretaceous-Paleogene extinction event that led to the demise of the dinosaurs.
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