Index Fossil

Front

Which rock layer contains the newest fossils? Options: F, E, B, C

Back

F

Front

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

Back

Near the bottom of the rock layers

Front

The best index fossils have which two traits?

Back

widespread geographically, short lifespan

Front

Index fossils help determine relative age through correlating rock layers.

Back

True

Front

Which of the following organisms formed last on Earth? Jellyfish, Shark, Lizards, Horses

Back

Horses

Front

To be considered an index fossil, it had to have lived for a relatively short period of time.

Back

True

Front

What can be learned by using the fossil record?

Back

All the above: when organisms changed or evolved, when organisms appeared on Earth, when organisms became extinct.

Front

Which fossil makes the best index fossil? Options: Fossil 1, Fossil 2, Fossil 3, None follow all of the rules

Back

Fossil 2

Front

Does the picture represent relative or absolute dating?

Back

relative

Front

What is the best reason that fossil #4 is NOT a good index fossil?

Back

It is not short-lived (in numerous layers)