Fossils

Fossils that show how long-dead animals have changed their environments

• mold

• cast

• fossils

• trace fossils

Minerals that fill a mold and have the same shape as the original living thing

• trace fossils

• cast

• mold

• fossils

Imprint left by a plant or animal

• mold

• cast

• trace fossils

• fossils

Remains of once-living things that have been preserved

• trace fossils

• mold

• fossils

• cast

By studying fossils of an animal's ____________, scientists can ind out what the animal might have eaten.

• bones

• burrow

• droppings

• tracks

Which of the following animal parts would be most likely to form a fossil?

• skin

• bones

• fur

• blood

A tree buried in a mineral hot spring would probably form a _________

• trace fossil

• mold fossil

• time scale

• petrified fossil

Which of the following is an example of a trace fossil?

• leaf

• footprint

• skeleton

• trilobite

Heat and pressure may destroy most of the buried remains of a plant or animal, leaving a think covering called _______

• fossil cast

• carbon film

• petrified fossil

• tar pits

Which of the following could NOT preserve a whole plant or animal as a fossil?

• tree sap

• tar

• ice

• ocean water