Fossils

Fossils are made of _____.

• rocks

• bones

• dirt

An index fossil _____________

• has a long life and is not widespread

• has a short life and is widespead

• has a short life and is not widespread

A fossil found on the bottom is the ________.

• oldest

• youngest

Which animal is the youngest in site 1?

• bird

• ammonite 

• shell

Which animal is the oldest in site 1?

• trilobite

• bird

• shell

In layer G what animal is present?

• mammal

• dinosaur

• trilobite

What animal is present in layer D?

• dinosaur

• bird

• shell

What kind of fossil is this?

• trilobite

• crinoid

• fern

What is superposition?

• young is above old

• young is the same as old

• old is above young

What is relative dating?

• when an object is older or younger compared to an event

• when an object is the same as an event