Question

Which group of organisms disappeared during the mass extinction at the end of the Cretaceous Period?


mammoths

saber-tooth cats

trilobites

dinosaurs

Answer 1

The group of organisms that disappeared during the mass extinction at the end of the Cretaceous Period is the dinosaurs. This event, which occurred around 66 million years ago, is famously known for causing the extinction of approximately 75% of Earth's species, including all non-avian dinosaurs.