Unit 3 Review

Front

What is the Devonian Period known for?

Back

The first appearance of amphibians.

Front

Which extinction is the largest in Earth's history?

Back

The Permian extinction.

Front

What period comes after the Cambrian Period in the Paleozoic Era?

Back

The Ordovician Period.

Front

What is the Carboniferous Period known for?

Back

The first appearance of reptiles.

Front

What is the significance of the Cambrian explosion?

Back

Many organisms rapidly evolved during this period.

Front

What major event occurred during the Permian Period?

Back

The largest mass extinction in Earth's history.

Front

What is the main characteristic of the Silurian Period?

Back

The development of early vascular plants.

Front

What significant evolutionary development occurred in the Devonian Period?

Back

The emergence of fish with jaws.

Front

What is the time frame of the Cambrian Period?

Back

540 to 485 million years ago.

Front

What major life forms appeared during the Carboniferous Period?

Back

Amphibians and early reptiles.