Which Statement About the Geologic Time Scale Is False

Multiple Choice

Which statement about the geologic time scale is false?

A) ​Mammals originated early in the Mesozoic era.
B) ​Radiations of marine invertebrates took place in the Mesozoic era.
C) ​Mass extinction of the dinosaurs occurred about 65 million years ago.
D) ​Reptiles originated during the Paleozoic era.
E) ​Eukaryotes originated during the Proterozoic eon.