What are body fossils?

• the remains of only plants that lived a long time ago.

• the remains of only animals that lived a long time ago.

• the remains of plants and animals that lived a long time ago.

What kind of fossil is this?

• mold fossil

• cast fossil

• whole body fossil

• trace fossil

What kind of fossil is this?

• mold fossil

• cast fossil

• whole body fossil

• trace fossil

What kind of fossil is this?

• mold fossil

• cast fossil

• whole body fossil

• trace fossil

What kind of fossil is this?

• mold fossil

• cast fossil

• whole body fossil

• trace fossil

What are layers of rock called?

• mesozoic

• precambrian

• strata

• stratus

Which layer of rock are the oldest fossils found?

• uppermost/top layer

• third layer

• lowest/bottom layer

• middle layer

Which layer of rock are the youngest fossils found?

• uppermost/top layer

• third layer

• lowest/bottom layer

• middle layer

Which era did animals start to look like primitive dinosaurs (and begin eating each other)?

• Cenozoic Era

• Paleozoic Era

• Precambrian Era

• Mesozoic Era

Which era were organisms simple and could not see?

• Cenozoic Era

• Paleozoic Era

• Precambrian Era

• Mesozoic Era