Q3: Chapter 11 Quiz

What do you call the remains of an organism preserved by geological processes?

• Fossil

• Igneous Rock

• Sedimentary Rock

• Mold

What is the principle that states that younger rocks lie above older rocks if the layers have not been disturbed?

• Paleontology

• Superposition

• Uniformitarianism

• Catastrophism

Which of the following are examples of fossils? (Check all that apply)

• Preserved bones found in rock

• Preserved organism found in ice

• Dinosaur footprints

• Insect trapped in amber

• Petrified wood

An element with a different number of neutrons is called what?

• Ion

• Radioactive

• Isotope

• Decayed

What do you call the time needed for half of a sample of a radioactive substance to undergo radioactive decay?

• Prime Time

• Half Life

• Halfsies

• Radiometric Dating

When looking at geologic time, what is the largest division?

• Epoch

• Period

• Eon

• Era

What is the death of every member of a species called?

• Mass Extinction

• Endangerment

• Extinction

• Catastrophe

What era are we currently living in?

• Mesozoic

• Paleozoic

• Cenozoic

• Jurassic

About how old is the Earth?

• 4.6 million years old

• 4.6 billion years old

• 500 million years old

• 13 billion years old

Fossils that are only known to exist in a specific time period and are used to date surrounding rocks are called what?

• Trace Fossils

• Tertiary Fossils

• Index Fossils

• Appendix Fossils