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Leana Johnson
on Oct 15, 2024

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In which of the mass extinctions did the non-avian dinosaurs go extinct?

A) Permian
B) Cretaceous
C) Ordovician
D) Triassic
E) Devonian

Non-Avian Dinosaurs

The group of dinosaurs that did not evolve into birds and became extinct approximately 66 million years ago.

Mass Extinctions

Events in Earth's history when a significant, widespread and rapid decrease in the biodiversity of organisms occurs, often due to drastic environmental changes.

  • Pinpoint the catalysts for large-scale extinctions and their consequences on species diversity.
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Aleah TruemanOct 21, 2024
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