Fossils and Geologic Time

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

• Preserved fossils

• Index fossils

• Imprints

• Radioactive dating

Preserved remains of plants and animals from the remote past are called?

• Sedimentary rocks

• Radioactive dating

• Decayed organisms

• Fossils

Tags

NGSS.MS-LS4-1

What two methods are used for determining the age of rocks and fossils?

• Relative and Absolute Dating

• Carbon and Water Dating

• Sedimentary and Igneous Rocks

• Spatial and Layered Dating

Tags

NGSS.HS-ESS1-5

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

NGSS.MS-LS4-1

According to the law of superposition, which layer is the youngest?

• A

• B

• C

Tags

NGSS.MS-ESS1-4

What does absolute age tell us about a rock layer or fossil?

• The 'exact' age of a fossil determined by radiometric dating

• The relative age of a fossil determined by radiometric dating

• Younger rock layers sit on top of older rock layers

• Older rock layers sit on top of younger rock layers

Tags

NGSS.MS-ESS1-4

Use relative age dating to put the rock layers in correct order from oldest to youngest.

• B, D, A, E, C

• C, E, D, A, B

• A, C, E, D, B

• C, E, D, B, A

Tags

NGSS.MS-ESS1-4

Which of the following statements about the fossil record is true?

• all organisms become fossils

• organisms having soft body parts make up most of the fossils

• all organisms that have shells become fossils

• the fossil record is incomplete

Tags

NGSS.MS-LS4-1

In a rock layer, the oldest rocks are at the ____________.

• bottom

• top

Tags

NGSS.MS-ESS1-4

These fossils are found in rock layers and identify the relative age of the layer.

• Index

• Preserved

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-3