Fossils
Rock layers
Geologic Time
Catastrophic
Fossil Type
100

How many years do it take for a fossil to be a fossil ?

10,000 Years

100


Layer C

100

Paleozoic Era Mesozoic Era Cenozoic Era Are examples of what ?

Precambrian

100

Each Era ends with a what ?

mass extinction

100

What type of fossil is this 

Mold fossil

200

Buried quickly and Hard body parts like shells or bones is a condition of ?


Fossil to form.

200


Before

200

The first named period?

Cambrian period

200

Name the Mass Extinction

trilobites,marine invertebrates,amphibians

200

What type of fossil is this 

Cast

300

what is the name of the scientists who studies fossils ?

PALEONTOLOGIST

300

What is a Fossil record?

A record that documents the existence, diversity, extinction, and change of many life forms throughout history, provides only relative dates, not an absolute scale.

300

Plants in the PALEOZOIC ERA theres 4

moss,ferns,cone, seed plants at end of era

300

Examples of Mass extinction ?

impact of asteroid or comet,climatic changes,volcanic activity

300

what is this 

Mollusk-like marine animals

Appeared during the Cambrian (540 to 500 million years ago

Some examples still survive

BRACHIOPODS

400

What is a Index Fossils useful for ?

A specific fossil used to determine the relative age of a rock layer.

400

How do you classify an older rock layer?

States that each rock layer is older than the one above it.

400

Mesozoic Era Organisms

Reptiles,small mammals,birds

400

a violent & sudden change in a feature of earth

a violent & usually destructive natural event

Catastrophe

400

a group of hard-shelled animals whose body had three sections

TRILOBITES

500

something that does not tell the exact age of an object is what ?

Is a Relative age

500

BONUS ADD 600 name all the traits that help different species survive. 

Color,Camouflage,Food gathering methods(beaks & claws)Sensory abilities,Behaviors


500

What is the name of a ice sheets and glaciers covered parts of earth

Ice Age

500

Name the consequences in catastrophic.

earthquake, flood, forest fire, hurricane, lightning, tornado, tsunami and volcanic

500

Which type of fossil was Common during Mesozoic Era

AMMONITES