Paleozoic Era
Mesozoic Era
Cenozoic Era
Fossils
100

This era occurs directly after the paleozoic era.

What is the mesozoic era?

100

This animal died out at the end of the mesozoic era.

What are dinosaurs?

100

These bodies of water formed during the Quaternary period.

What are the great lakes?

100

Evidence of previous life that is preserved in rocks.

What are fossils?

200

This giant version of a current group of animals was present in this era.

What are giant insects?

200

The Mesozoic era is split into these 3 periods.

What are cretaceous, Jurassic, triassic?

200

These mountain ranges began to form.

What are the Alps and Himalayas?

200

The study of prehistoric life.

What is paleontology?

300

The paleozoic era was ended by this mass extinction, commonly known as the great dying.

What is the permian extinction?

300

The mesozoic era occurred this many years ago.

What is 144-248 million?

300

This mass extinction occurred at the beginning of this era.

What is Cretaceous-Paleogene extinction?

300

Sap hardening into amber around an animal is an example of this.

What is original remains?

400

The paleozoic era began this many years ago.

What is 542 million years ago?

400

This mass extinction occurred during the mesozoic era.

What is Triassic-Jurassic Extinction?

400

These common domestic animals began to develop at the beginning of this era.

What are cats and dogs?

400

Impressions left in rock are examples of these.

What are trace fossils?

500

The paleozoic era is divided into these seven periods.

What are the cambrian, ordovician, silurian, devonian, mississippian, pennsylvanian and permian periods?

500

This US state’s plateau began to rise during the mesozoic era.

What is colorado?

500

These mammals developed during the Neogene period.

What are horses, elephants, and camels?

500

This type of fossil results in a thin black layer, outlining the remains.

What are Carbonaceous Films?