During the Cretaceous period, ____.
A) mammals diversified and flourished
B) life appeared on this planet
C) the first animals with shells and skeletons appeared
D) the dinosaurs reached their peak and then most species became extinct
E) the first human-like apes appeared

Question

Quizplus · Accepted Answer

During the Cretaceous period, dinosaurs reached their peak in diversity and abundance, but by the end of the period, most dinosaur species became extinct due to a mass extinction event.

During the Cretaceous Period, ____