Geologic Time Scale Test Review

_______________ is the long span of time that begins geologic time.

• Precambrian Time

• Cenozoic

• Paleozoic

• Mesozoic

A unit of geologic time that subdivides eras

• period

• eon

• epoch

Dinosaurs, small mammals, and birds are found in this time period.

• Precambrian

• Paleozoic

• Mesozoic

• Cenozoic

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

What are fossils that are abundant, easily recognizable, short lived, and widespread called?

• Preserved fossils

• Index fossils

• Imprints

• Radioactive dating

Tags

NGSS.MS-LS4-1

The end of an era, and the end of life for groups of organisms, is called?

• Death

• Mass extinction

• Transition

• Background Extinction

The end of the Mesozoic Era was most likely caused by?

• A meteor

• Too much oxygen

• Lowering sea levels

• Climate Change

Which fossil would make the best index fossil?

• Beetle

• Flower

• Frog

• Fish

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

What is the largest/major unit of geologic time?

• Epoch

• Period

• Era

• Eon

Which portion of the timeline is known as the "Age of Mammals"?

• Precambrian Time
• Paleozoic Era
• Mesozoic Era
• Cenozoic Era

Which portion of the timeline is known as the "Age of Dinosaurs"?

• Precambrian Time
• Paleozoic Era
• Mesozoic Era
• Cenozoic Era