U3CHPT3.2

The Devonian Period is known for the first appearance of _______.

• Dinosaurs

• Early amphibians and reptiles

• Mammals

• Birds

The Cretaceous Extinction occurred approximately how many million years ago?

• 500 MYA

• 430 MYA

• 60 MYA

• 250 MYA

Which mass extinction is associated with the highest percentage of marine species made extinct according to the graph?

• Cambrian

• Permian

• Devonian

• Cretaceous

Fill in the blank: The extinction labeled 'C' on the graph is the ________ Extinction.

• Devonian

• Silurian

• Permian

• Cretaceous

What event marks the end of the Paleozoic Era?

• The Permian Extinction

• The Cretaceous Extinction

• The Triassic Extinction

• The Jurassic Extinction

The greatest extinction event in the fossil record is known as the ____.

• Permian Extinction

• Cretaceous Extinction

• Triassic Extinction

• Jurassic Extinction

What happened to shallow water features surrounded by land during the Permian period?

• They expanded

• They disappeared

• They became deeper

• They remained unchanged.

What evidence is there for widespread glaciation during the Permian period?

• Fossil records

• Glacial deposits

• Volcanic ash

• Meteor craters

The reduction of shallow seas due to Pangea's formation would have affected:

• Marine biodiversity

• Land biodiversity

• Atmospheric conditions

• Climate stability

During which period did the first mammals appear on Earth?

• Jurassic

• Triassic

• Cretaceous

• Permian