Index Fossil

Which fossil makes the best index fossil?

• Fossil 1

• Fossil 2

• Fossil 3

• None follow all of the rules

Tags

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

Tags

NGSS.MS-ESS2-3

Which fossil makes the best index fossil?

• ammonite

• brachiopod

• trilobite

• shark

• all four are good index fossils

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-ESS2-3

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

NGSS.MS-LS4-1

Which fossil would make the best index fossil?

• Trilobite

• Ammonite

• Coral

• Crinoid

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-3

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

• X

• Z

• Y

• W

Tags

NGSS.MS-ESS1-4

Which is the best index fossil?

• 
• 
• 
• 

Tags

NGSS.MS-LS4-1

The best index fossils have which two traits?

• widespread geographically, long lifespan

• widespread geographically, short lifespan

• specific place, long lifespan

• specific place, short lifespan

Which of these laws will NOT help to determine if something is an index fossil?

• Easily recognizable

• Lives only a short period of time

• Should have many of the same fossils in many different layers of same outcrop

• It is widespread

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-3