geologic time scale

The Death of every member of a species

• extinction

• Paleozoic era

• relative age

• Permian extinction

Tags

NGSS.MS-LS4-1

the trace or remains of an organism that lived long ago, most commonly preserved in sedimentary rock

• fossil record

• geologic time scale

• species

• fossil

Tags

NGSS.MS-LS4-1

a particular period in geologic history, typically the smallest classification

• era

• period

• epoch

• Cenozoic Era

Tags

NGSS.MS-ESS1-4

The geologic time scale is a record of....

• the history of fossils only
• the history of rocks
• the history of rock layers and fossils
• geologist notes

Tags

NGSS.MS-ESS1-4

Paleontologists infer that the earth is approximately how many years old?

• 4.5 million years
• 450 million years
• 450 billion years
• 4.5 billion years

Tags

NGSS.MS-ESS1-4

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

• A meteor

• Too much oxygen

• Lowering sea levels

• An ice age

Tags

NGSS.MS-LS4-1

Cavemen lived at the same time as the dinosaurs.

• TRUE
• FALSE

Tags

NGSS.MS-ESS1-4

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

• Precambrian Time
• Cenozoic Time

Tags

NGSS.MS-ESS1-4

A unit of geologic time that subdivides eras

• period
• time span

Tags

NGSS.MS-ESS1-4

To develop the geologic time scale, scientists studied rock layers and fossils from the different eras. 

• True
• False

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1