Reading: Understanding Geological Time

What is the broadest category in the division of geological time?

• Eon

• Era

• Period

• Epoch

Which eon is known for the presence of abundant and complex fossilized remains?

• Hadean

• Archean

• Proterozoic

• Phanerozoic

What era is often referred to as the 'age of dinosaurs'?

• Paleozoic

• Mesozoic

• Cenozoic

• Proterozoic

Which period is NOT part of the Paleozoic era?

• Cambrian

• Jurassic

• Devonian

• Permian

In which era did the first mammals and flowering plants appear?

• Paleozoic

• Mesozoic

• Cenozoic

• Hadean