Eras Eons and Periods

Which of the following geologic time division is the youngest?

• Precambrian Time

• Paleozoic Era

• Mesozoic Era

• Cenozoic Era

Tags

NGSS.MS-ESS1-4

Which of these was not in the Mesozoic Era?

• Triassic Period

• Silurian Period

• Jurassic Period

• Cretaceous Period

Tags

NGSS.MS-ESS1-4

Which of the following statements is correct?

• It is estimated that Earth formed approximately 4.6 billion years ago.

• Geologic Time Scale outlines the life forms on Earth and Earth's geologic history.

• The Phanerozoic Eon is subdivided into 3 eras the Palaeozoic, Mesozoic, and Cenozoic.

• All of the above are correct.

Tags

NGSS.MS-ESS1-4

What is the largest interval of geologic time scale?

• Period

• Epoch

• Eon

• Era

Tags

NGSS.MS-ESS1-4

Eras are subdivided into shorter time division called ______________.

• Eons

• Periods

• Epochs

• Era

Periods are subdivided into shorter time division called ______________.

• Eons

• Eras

• Period

• Epochs

Which of the following is known as the age of dinosaurs?

• Precambrian Time

• Paleozoic Era

• Mesozoic Era

• Cenozoic Era

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

Which of the following is known as the age of mammals?

• Precambrian Time

• Paleozoic Era

• Mesozoic Era

• Cenozoic Era

Tags

NGSS.MS-ESS1-4

The term _____________ means “ancient life”.

• Mesozoic

• Paleozoic

• Cenozoic

• Cambrian

The ____________ Era is known as the era of recent life.

• Mesozoic

• Paleozoic

• Cenozoic

• Cambrian