Fossils Ch. 44

Define Fossils

• old bones

• preserved remains of living organisms

• prehistoric remains

Tags

NGSS.MS-LS4-1

Preserved footprints are called _____ fossils

• carbon

• mold and cast

• trace

When a fossil dissolves to leave a an empty space it create a ___ which can be filled in with sediment to create a replica of the fossil, called a ____.

• carbon

  film

• Mold

  Cast

• imprint

  trace

Tags

NGSS.MS-LS4-1

What is superpostion?

• The newest fossils on bottom and oldest fossils are on top.

• The layers of rocks.

• The oldest rocks are at the bottom and the youngest rocks are on top.

Tags

NGSS.MS-ESS1-4

What is index fossils?

• Fossils that provide a reference used to date rocks and nearby fossils.

• How to record fossils

• Rocks and fossils locating

A term for using radioactive decay to determine the age of once-living fossils ___ ___.

• Mold and cast

• dating and recording

• carbon dating

Tags

NGSS.HS-PS1-8

What are the parts of animals that are most likely to be preserved?

• soft parts

  hair

  skin

  tissue

• hard parts

  bones

  shells

  teeth

• soft and hard parts

Tags

NGSS.MS-LS4-1