Geologic History

During which period did the earliest insects appear on Earth?

• Jurassic

• Ordovician

• Devonian

• Silurian

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

When did a mass extinction of dinosaurs and many land plants occur?

• 65.5 mya

• 251 mya

• 300 mya

• 440 mya

Tags

NGSS.MS-LS4-1

Which group of organisms is still in existence today?

• Graptolites

• Crinoids

• Eurypterids

• Trilobites

Tags

NGSS.MS-LS4-1

Which letter best represents an index fossil?

• A

• B

• C

• D

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-3

NGSS.MS-LS4-1

Fossil pollen has been recovered from sediments deposited in late-Pleistocene lakes. The pollen’s geologic age can most accurately be measured by using...

• rubidium-87

• potassium-40

• oxygen-18

• carbon-14

Tags

NGSS.HS-PS1-8

Evidence indicates that 251 million years ago a mass extinction of many life-forms occurred on Earth. Which form of life became extinct at this time?

• trilobites

• dinosaurs

• mammoths

• eurypterids

Tags

NGSS.MS-LS4-1

The diagram below represents three bedrock outcrops. The layers have not been overturned. Letters A through E identify different rock layers. Fossils found in the rock layers are shown.

Which fossil could be classified as an index fossil?

• 
• 
• 
• 

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

The geologic time scale is divided into units of time based on

• seismic data

• fossil evidence

• global temperature

• absolute dating techniques

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

We know the folding of these rock layers occurred AFTER they were deposited due to the principle of:

• Lateral Continuity

• Superposition

• Original Horizontality

• Crosscutting Relationships

Tags

NGSS.MS-ESS1-4

We know oldest rock layers are always on the bottom and youngest are on top due to the principle of

• Lateral Continuity

• Crosscutting Relationships

• Superposition

• Original Horizontality

Tags

NGSS.MS-ESS1-4