Geologic Time Scale and Fossils

First land plant forms in what era?

• Mesozoic Era

• Paleozoic Era

• Cenozoic Era

Which era came first?

• Mesozoic

• Paleozioc

• Cenozoic

What time period did Ediacaran organisms develop?

• Triassic Period

• Precambrian Period

• Permian Period

What era is the Jurassic period in?

• Paleozoic

• Mesozoic

• Cenozoic

What period do first mammals appear?

• Mississippian Period

• Triassic Period

• Cambrian Period

Which Eon do we live in?

• Proterozoic Eon

• Phanerozoic Eon

• Hadean Eon

What era did the Appalachians first begin to form?

• Cenozoic Era

• Mesozoic Era

• Paleozoic Era

When did the the Atlantic Ocean begin to form while Pangaea breaks up?

• Triassic period

• Mesozoic era

• Cenozoic era

• Paleozoic era

When did the bacteria-like organisms form?

• Precambrian Time

• Paleozoic Era

• Mesozoic Era

The Cenozoic era started when?

• 248 million ago

• 65 million ago

• 307 million ago