Geologic Time - Fossil Evidence

During which geologic period could trilobites have lived?

• Neogene

• Cretaceous

• Triassic

• Cambrian

Which two types of organisms both survived the mass extinction that occurred at the end of the Permian Period

• trilobites and nautiloids

• corals and vascular plants

• placoderm fish and graptolites

• gastropods and eurypterids

Which characteristics of a fossil would make it useful as an index fossil in determining the relative age of widely separated rock layers?

• a wide time range and a narrow geographic area

• a wide time range and a wide geographic area

• a narrow time range and a wide geographic area

• a narrow time range and a narrow geographic area

According to the fossil record, which group of organisms has existed for the greatest length of time?

• gastropods

• corals

• mammals

• vascular plants

During which geologic period did Eurypterids go extinct?

• Permian

• Triassic

• Cretaceous

• Ordovician

Surface bedrock is not found in New York State from any time in the _________ Period

• Permian

• Devonian

• Cretaceous

• Cambrian

In what time period did

earliest birds appear on Earth?

• Triassic

• Jurassic

• Cretaceous

• Cenozoic

In what time period did

Pangea begin to break up?

• Triassic

• Jurassic

• Mesozoic

• Cenozoic

According the the ESRT for Geologic History of New York State, what is the name of this fossil?

• Ctenocrinus

• Cooksonia

• Lichenaria

• Elliptocephala

According the the ESRT for Geologic History of New York State, during what geologic era was this index fossil alive?

• Paleozoic

• Mesozoic

• Cenozoic

• Late Proterozoic