Avoiding a 6th Mass Extinction

Digging for Datat

100

Most Fossils are found in this type of rock

Sediment

200

This is the name of the hardened tree resin

Amber

300

This is the type of rock that most fossils are found in

Sedimentary

400

This type of fossilation is common in plants and leaves a thin coating on rock

Carbonization

500

This type of fossils (other than amber) is the only way that DNA evidence can be preserved

Frozen Remains

Record Breakers

100

This type AQUAITS to most of the fossilized organisms found

Aquatic Organisms

200

The fossil record will always be considered this throughout all of history

Incomplete

300

A preserved footprint is considered what type of fossil?

Trace

400

Coproliates and other trace fossils help paleontologists determine the __________ and ________ of an organism

Behavior and diet

500

The Burgess Shale was Discovered by who?

Charles Walcott

Layers of Time

100

If one fossil is found lower than the other, that fossil that is found lower is considered to be older due to the law of 

Superposition

200

When comparing two rocks to each other, what sort of age are we talking about?

Relative Age

300

the definition of What is occurring today also occurred in the past is

Uniformitarianism 

400

Describ Relative Dating

Relative Dating Determines whether a fossil came before/after another fossil based on characteristics. 

500

What is the name of the dating technique in order to find out the EXACT age of the rock

Radiometric Dating

Deep History

100

The Law of Superposition Helps scientists determine the _______ ___________ of rocks

Relative Age

200

Paleontologists believe that the earliest life forms appeared how long ago

3.8 BILLION years ago

300

Hard Outer Shells first appeared when.....

Cambrian Period

400

What is the LARGEST unit in the Geologic Time Scale

Eon

500

Early Atmospheric Oxygen came from what organism

Cyanobacteria

The Great Goodbye

100

How does the fossil record provide evidence of an extinction event?

The sudden disappearance of certain species from rock layers.

200

What occurs AFTER a mass extinction?

Rapid population growth and biodiversity of surviving species.

300

Why was Tiktaalik considered a "transitional" fossil?

It had both fish-like and amphibian-like features (evolution from water to land).

400

Which of the five mass extinctions on Earth was considered the largest?

The Permian-Triassic extinction (The "Great Dying").

500

This mass extinction is paired with the presence of Iridium, a metal found in asteroids?

Cretaceous-Paleogene extinction event.