At the End of Which Era Did Most Dinosaurs and Pterosaurs

Question

At the end of which era did most dinosaurs and pterosaurs become extinct?
A) Cretaceous
B) Permian
C) Devonian
D) Ordovician
E) Triassic

Accepted Answer

Most dinosaurs and pterosaurs became extinct at the end of the Cretaceous period, around 66 million years ago. This extinction event is believed to have been caused by a combination of factors including a massive asteroid impact, volcanic activity, and climate change.