Dinosaurs (Aside from the Lineage That Produced Birds)were Extinct by the End

Question

Dinosaurs (aside from the lineage that produced birds)were extinct by the end of the ________.
A)cretaceous
B)silurian
C)eocene
D)permian

Accepted Answer

Dinosaurs, except for the lineage that evolved into birds, went extinct at the end of the Cretaceous period, approximately 66 million years ago, due to a mass extinction event.