Fossils Unit 6 Review

Which is not a way that fossils are formed?

• An organism frozen in ice.

• An organism trapped in amber.

• An organism covered in hot lava.

• An organism buried in sediments.

If a fossil has a fin, what type of environment did it most likely live in ?

• aquatic

• terrestrial

• in a tree

• in a house

Why would a shell, fish and horseshoe crab fossil be found in the same layer of Earth?

• They lived at the same time period.

• They were friends.

• They were part of the same family.

• They lived in the rock.

What is a type of fossil?

• leaf

• acorn

• rock

• petrified wood

Where would the oldest organism be found in the layers of the Earth?

• top layer

• middle layer

• bottom layer

• in the water

What type of organism lives in an aquatic environment?

• leaf

• elephant

• tiger

• clam

What type of organism would live in a terrestrial environment?

• fish

• shark

• elephant

• coral

What does the word extinct mean?

• found in a fossil

• made of soft body parts

• no longer living anywhere

• buried in clay, sand or mud

What is a dinosaur?

• A plant that is extinct.

• An animal that lives in the ocean.

• An animal that lived on Earth millions of years ago.

• An organism that lives on Earth now.