Geologic Time Scale Quiz

Which eon contains which three eras: the Paleozoic era, the Mesozoic era, and the Cenozoic era?

• Phanerozioc eon

• Hadean eon

• Proterozoic eon

• Archean eon

During which era did land plants begin to appear, such as ferns and some trees?

• Precambrian era

• Cenozoic era

• Mesozoic era

• Paleozoic era

Which era has been called the age of reptiles and the age of dinosaurs?

• Mesozoic era

• Archean era

• Paleozoic era

• Cenozoic era

Which era is often described as the age of mammals?

• Precambrian era

• Cenozoic era

• Mesozoic era

• Paleozoic era

During which era did the first mammals appear but not begin to thrive until the next era?

• Archean era

• Cenozoic era

• Mesozoic era

• Paleozoic era

At the end of which era did the dinosaurs die off?

• Paleozoic era

• Mesozoic era

• Proterozoic era

• Cenozoic era

When did the earth experience ice ages and the formation of glaciers?

• Mesozoic era

• Paleozoic era

• Cenozoic era

• Precambrian era

In which era did the first birds appear and begin to scatter throughout the world?

• Cenozoic era

• Paleozoic era

• Mesozoic era

• Proterozoic era

Which era saw the continents move into their modern locations and the formation of mountain ranges like the Alps and Himalayas?

• Archean era

• Cenozoic era

• Paleozoic era

• Mesozoic era

During which era did the first flowering plants appear, changing the landscape with their colorful blooms?

• Precambrian era

• Cenozoic era

• Mesozoic era

• Paleozoic era