Geologic Time Scale & Fossil Record

method used to determine the age of rocks by comparing rocks with younger and older rock layers

• extinction

• fossil record

• relative age

• geologic time scale

Tags

NGSS.MS-ESS1-4

Greatest mass extinction of all time - ended the Paleozoic era

• extinction

• Paleozoic era

• geologic time scale

• Permian extinction

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

Each rock layer is newer than the one below it

• law of superposition

• geologic time scale

• Permian extinction

• Paleozoic era

Tags

NGSS.MS-ESS1-4

a fossil that is used to establish the age of a rock layer because the fossil is distinct, abundant, and widespread and the species that formed that fossil existed for only a short span of geologic time

• index fossil

• fossil record

• fossil

• relative age

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

a group of organisms that are closely related and can mate to produce fertile offspring

• Fossil

• Paleozoic

• Era

• Species

Tags

NGSS.HS-LS3-1

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 historical sequence of life indicated by fossils found in layers of Earth's crust

• fossil

• geologic time scale

• species

• fossil record

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

Which of the following correctly lists the layers of rock in order from youngest to oldest?

• A, B, C, D, E
• B, C, D, E, A
• E, D, A, B, C
• C, B, A, D, E

Tags

NGSS.MS-ESS1-4

Which layer is the oldest and youngest?

• C and B
• C and E
• D and E
• A and B

Tags

NGSS.MS-ESS1-4