Types of Fossils and the Geological Time Scale

A bug stuck in amber is an example of what type of fossil?

• cast

• mold

• trace

• preserved remains

Tags

NGSS.MS-LS4-1

The remains or traces of an organism preserved from the geologic past

• fossil

• classification

• geological time scale

• correlation

Tags

NGSS.MS-ESS2-3

NGSS.MS-LS4-1

A fossil that is associated with a particular span of geological time

• classification

• key bed

• fossil index

• original horizontality

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

Which fossil is the youngest?

• fossil A

• fossil B

• fossil C

• fossils A and B are the same age

Tags

NGSS.MS-ESS1-4

Which type of fossil preservation is shown above?

• carbon film

• trace fossil

• original remains

• perminerailzed remains

Which of the following is a type of fossil that represents the preserved remains of an organism?

• Trace fossil

• Body fossil

• Mold fossil

• Cast fossil

What is the primary difference between a mold fossil and a cast fossil?

• A mold fossil is a 3D replica, while a cast fossil is a hollow impression.

• A mold fossil is a hollow impression, while a cast fossil is a 3D replica.

• A mold fossil contains organic material, while a cast fossil does not.

• A mold fossil is formed in sedimentary rock, while a cast fossil is not.

Which era in the geological time scale is known as the 'Age of Reptiles'?

• Cenozoic

• Mesozoic

• Paleozoic

• Precambrian

Tags

NGSS.MS-ESS1-4

What type of fossil is formed when minerals replace all or part of an organism?

• Amber fossil

• Petrified fossil

• Carbon film fossil

• Trace fossil

Which of the following is NOT a method used to date fossils?

• Radiocarbon dating

• Dendrochronology

• Potassium-argon dating

• Stratigraphy