What s the primary reason that mammals and avian dinosaurs thrives in the Paleocene period?
Their predators had been killed off by the Cretaceous–Paleogene extinction is the primary reason that mammals and avian dinosaurs thrives in the Paleocene period.
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Asked 9/5/2019 9:08:20 PM
Updated 91 days ago|10/22/2024 3:18:37 PM
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