The Fossil Record

The formation of any fossil is a rare event.

• True

• False

Tags

NGSS.MS-LS4-1

Which part of an organism typically forms fossils?

Tags

NGSS.MS-LS4-1

__________ are particles of soil and rock. Most fossils form when organism that die become buried in these.

Some remains that become buried in sediments can gradually be changed to rock.

• True

• False

Tags

NGSS.MS-ESS1-4

Fossils that form from being buried in sediments are turned into rock are called __________ fossils.

A hollow space in the sediment in the shape of an organism or part of an organism is called a

• petrified fossil

• mold

• preserved remains

• cast

A ____ is a copy of the shape of the organism.

Tags

NGSS.MS-LS4-1

What can organisms be sealed in other than sediments? What are these called?

What are the two ways that scientists can determine a fossils age?

Tags

NGSS.MS-ESS1-4

Fossils found in layers near the top are older than those at the bottom.

• True

• False

Tags

NGSS.MS-ESS1-4