Index Fossil

The best index fossils have which two traits?

• widespread geographically, long lifespan
• widespread geographically, short lifespan
• specific place, long lifespan
• specific place, short lifespan

Index fossils help determine relative age through correlating rock layers.

• True
• False

Tags

NGSS.MS-ESS1-4

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

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

Fossils give us evidence about which of the following?

• plants and animals that lived long ago
• how weathering and erosion break down rocks
• the other planets in our solar system
• the transfer of energy from one form  to another

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

What rock layer is the oldest ?

• a
• b
• c
• d

Tags

NGSS.MS-ESS1-4

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

Superposition means that in an undisturbed sequence of sedimentary rocks, which of the following is true?

• The oldest rocks are on top.
• The youngest rocks are in the middle.
• The youngest rocks are on the top.
• There is no way to know which layers are older.

Tags

NGSS.MS-ESS1-4

Which of the following statements about the fossil record is true?

• all organisms become fossils
• organisms having soft body parts make up most of the fossils
• all organisms that have shells become fossils
• the fossil record is incomplete

Tags

NGSS.MS-LS4-1

method used to determine the age of rocks by comparing rocks with younger and older rock layers

• extinction

• fossil record

• relative age

• geologic time scale

Tags

NGSS.MS-ESS1-4