Fossils

The hardened remains of a living thing that died long ago.

• fossil

• extinct

• endangered

• minerals

If a scientist found a fish fossil in the desert, what can they infer?

• An animal ate the fish.

• The water covered the area long ago.

• Today's fish looks the same

• The fish is endangered.

What type of fossil is pictured here?

• Mold fossil

• Trace fossil

• Cast fossil

• Body fossil

What type of fossil is pictured here?

• Forest fossil

• Trace fossil

• Cast fossil

• Body fossil

What type of fossil is pictured here?

• Mold fossil

• Trace fossil

• Cast fossil

• Body fossil

What is a copy of a fossil produced by filling a mold with sediments or crystals?

• mold

• cast

• petrified fossil

• carbon film

Trace fossils are much more common than body fossils. Which of the following best explains why trace fossils are more common?

• Trace fossils take less time to form.

• Body fossils require soft sediment to form

• An organism is more likely to live on soft sediment where trace fossils form.

• A single animal can leave thousands of traces in its lifetime but will leave only one body when it dies.

The youngest fossils in the rock strate are?

• Ammonite and gastropods

• Fern

• trilobites

• crinoid

The oldest fossils in the rock strate are?

• Ammonite and gastropods

• Fern

• trilobites

• coral

An insect trapped in amber from a tree-like sap called resin, and a wooly mammoth frozen in ice are examples of?

• Preserved Fossils

• Mold Fossils

• Cast Fossils

• Trace Fossils