Index fossils & POG practiced

According to the Law of Superposition, the oldest fossils are found 

• at the top of the rock layers

• in the bottom rock layers

• in the middle of the rock layers

• somewhat near the surface

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

_{Which rock layer contains the youngest fossils?}

• F
• E
• B
• C

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

Which fossil is relatively the oldest?

• Trilobite
• Ammonite
• Crinoid
• Gastropod

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

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

• F
• E
• B
• A

Tags

NGSS.MS-ESS1-4

• ____________ is used to express the order, or sequence, of events.

• It tells us that some things are older or younger than others, or that certain events happened before or after other events.

• Relative Age

• Absolute Age

Tags

NGSS.MS-ESS1-4

• ____________ always includes a specific number and a unit of time, such as years, days, or seconds.

• Relative Age

• Absolute Age

Tags

NGSS.MS-ESS1-4

​

(a)   age tells how old a rock is compared to other rocks, while ​ (b)   age tells the exact age in years.

• Relative
• absolute
• old
• young

Tags

NGSS.MS-ESS1-4

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

To be considered an index fossil, it had to have been abundant (commonly found).

• True
• False

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

To be considered an index fossil, it had to have a wide geographic distribution (found in many locations around the world).

• True
• False

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-3