Paleozoic Era

Front

What was the primary cause of the Permian extinction?

Back

Extensive volcanism related to the Siberian Traps.

Front

Did the extinction near the end of the Devonian most severely affect seedless vascular land plants?

Back

False.

Front

Which reptile group is considered the immediate ancestor of mammals?

Back

Therapsids.

Front

Was the Acadian orogeny related to the closing of the ocean Panthalassa?

Back

False.

Front

What was the name of the supercontinent surrounded by the ocean Panthalassa?

Back

Pangaea.

Front

What is the Paleozoic Era known for?

Back

The emergence of diverse life forms, including fish, amphibians, and reptiles.

Front

What major event marks the end of the Paleozoic Era?

Back

The Permian-Triassic extinction event.

Front

What type of organisms dominated the Paleozoic Era?

Back

Marine organisms, including trilobites and brachiopods.

Front

What geological feature was formed during the Paleozoic Era?

Back

The Appalachian Mountains.

Front

What significant evolutionary development occurred during the Paleozoic Era?

Back

The development of early land plants and the colonization of land.