Index fossils and relative dating

An organism that no longer exists on Earth is called

• Decayed
• Evolved
• Extinct
• Preserved

Tags

NGSS.MS-LS4-1

_{Which rock layer contains the newest fossils?}

• F
• E
• B
• C

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

The best index fossils have which two traits?

• found all over the world, lived a long time

• found all over the world, lived a short time

• only found in one place, lived a long time

• only found in one place, lived a short time

Index fossils help determine relative age through correlating rock layers.

• True
• False

Tags

NGSS.MS-ESS1-4

_{Which rock layer in the diagram seems to be the oldest?}

• F
• E
• B
• A

Tags

NGSS.MS-ESS1-4

Which rock layer most likely contains fossils of the most recently evolved organisms?

• 1
• 2
• 3
• 4

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

To be considered an index fossil, it had to have lived for a relatively short period of time.

• True
• False

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

Which fossil makes the best index fossil?

• Fossil 1
• Fossil 2
• Fossil 3
• None follow all of the rules

Tags

NGSS.MS-LS4-1

Index fossils CAN tell us the age of a rock layer.

• True
• False

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

What is the best reason that fossil #4 is NOT a good index fossil?

• It is not widespread

• it is not short-lived (in numerous layers)

• It is in half of the outcrops