Geologic Time Scale Review for EXAM

What is the Geologic Time Scale

• How geologists divide Earth´s history

• How biologists divide the evolution of life

• How archeologists divide the fossil record

• All are incorrect

Tags

NGSS.MS-ESS1-4

What is the longest unit of time in the Geologic Time scale?

• Era

• Epoch

• Period

• Eon

What is an era?

• a subdivision of eons

• the longest division of eons

• a subdivision of era

• all are incorrect

What is Earth´s current era?

• Paleozoic

• Mesozoic

• Cenozoic

• Phanerozoic

What is a period?

• a subdivision of eons

• a subdivision of eras

• a subdivision of epoch

• all are incorretc

What type of fossils are generally found in older rocks?

• small and simple fossils

• big and simple fossils

• big and complex fossils

• there are no fossils in older rocks

Tags

NGSS.MS-LS4-1

What type of fossils are generally found in older rocks?

• small and simple fossils

• big and simple fossils

• big and complex fossils

• there are no fossils in older rocks

What type of evidence was used to construct the geologic time scale?

• abrupt changes in the fossil record

• small changes in the fossil record

• the change in layer composition

• geologists decide based on personal reasons

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

Why are fossils important in the development of the geologic time scale?

• Abrupt changes in the fossil record

• Rock composition change

• volcanic eruptions

What is a possible event that could cause mass extinction?

• Major volcanic eruptions

• small earthquakes

• Hurricanes

• Big meteorite impact