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-LS4-1

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

The Law of Superposition helps scientists to determine what?

• The absolute age of rock layers
• The age of fossils
• The relative age of rock layers
• the super powers of rocks

Tags

NGSS.MS-ESS1-4

Does the picture represent relative or absolute dating?

• relative
• absolute

Tags

NGSS.MS-ESS1-4

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

According to the law of superposition, the oldest fossils are found 

• At the top of the rock layers
• Near the bottom of the rock layers
• In the middle of the rock layers
• Somewhat near the surface

Tags

NGSS.MS-ESS1-4

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

Tags

NGSS.MS-LS4-1

According to the law of superposition, which layer is the youngest?

• A
• B
• C

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