Index Fossil

Which fossil makes the best index fossil?

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

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

Which fossil makes the best index fossil?

• ammonite

• brachiopod

• trilobite

• shark

• all four are good index fossils

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

What letter would be the best example of an index fossil?

• X

• Z

• Y

• W

Tags

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

If you found an index fossil in a layer of rock in Montana and a similar fossil in a layer of rock in Texas, you would know that:

• the fossils and rock layers are the same age

• the fossils from Montana are older

• the fossils from England are older

• none of the above

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-3

How does absolute age differ from relative age?

• only absolute dating indicates which rock is older than another
• only absolute dating finds the age in years
• only relative dating finds the age in years

Which fossil would make the best index fossil?

• Trilobite

• Ammonite

• Coral

• Crinoid

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-3

Which is the best index fossil?

• 
• 
• 
• 

Tags

NGSS.MS-LS4-1