Fossils and Geologic Time - Dawkins

Earth's long history is divided into units of time. Which of the following is the largest? (Options: Era, Period, Epoch, None of the above)

Which of the following is NOT an example of an era? Paleozoic, Cenozoic, Holocene, Mesozoic

Precambrian refers to ---

Epochs are smaller than eras.

Scientists believe that humans first appeared in the --- era.

Dinosaurs inhabited the --- era.

The geologic time scale is ---

Paleontologists and geologists believe the Earth is ---

Geologic time has ended.

Scientists believe that the largest extinction event took place in the --- era.