Fossils and Geologic Time

Front

What is a fossil?

Back

The remains or physical evidence of an organism preserved by geologic processes.

Tags

NGSS.MS-LS4-1

Front

According to the law of superposition, where are the oldest fossils found?

Back

Near the bottom of the rock layers.

Tags

NGSS.MS-ESS1-4

Front

In which era did Pangea break up?

Back

Mesozoic Era.

Tags

NGSS.MS-ESS2-3

Front

What is an example of a trace fossil?

Back

All of the answers given here.

Front

Which layer is the oldest in a sequence of rock layers?

Back

Layer A.

Tags

NGSS.MS-ESS1-4

Front

What is the significance of the law of superposition in geology?

Back

It helps determine the relative ages of rock layers and the fossils within them.

Tags

NGSS.MS-ESS1-4

Front

What are the three main types of fossils?

Back

Body fossils, trace fossils, and chemical fossils.

Tags

NGSS.MS-LS4-1

Front

What is a body fossil?

Back

The preserved remains of an organism, such as bones, teeth, or shells.

Front

What is a trace fossil?

Back

A fossil that provides evidence of the activity of an organism, such as footprints or burrows.

Tags

NGSS.MS-LS4-1

Front

What does the term 'geologic time scale' refer to?

Back

A system of chronological dating that relates geological strata to time.

Tags

NGSS.MS-ESS1-4