Fossils and Geologic Time

Front

What type of fossil is formed when an organism is trapped in amber?

Back

Preserved remains.

Front

What sticky substance can trap animals and lead to fossilization?

Back

Tar.

Front

What is the term for a fossil that is an impression left by the original organism?

Back

Mold.

Front

In a sequence of sedimentary rock layers, which layer is typically the oldest?

Back

The bottom layer.

Tags

NGSS.MS-ESS1-4

Front

What term describes the end of an era and the extinction of groups of organisms?

Back

Mass extinction.

Tags

NGSS.MS-LS4-1

Front

What are the two main types of fossils?

Back

Body fossils and trace fossils.

Front

What is a body fossil?

Back

A fossil that is made from the actual remains of the organism, such as bones 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.

Front

What is the significance of the fossil record in understanding Earth's history?

Back

It provides evidence of past life and helps scientists understand the evolution of organisms over time.

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Front

What is stratigraphy?

Back

The study of rock layers and layering, which is used to understand the chronological sequence of geological events.

Tags

NGSS.MS-ESS1-4