The Paleozoic Era

When did the Paleozoic Era last?

• 544-243 MYA

• 541-252 MYA

• 540-252 MYA

• 546-243 MYA

The ________ Explosion sped up evolution of life on Earth

In the ________Period many kinds of creatures evolved in the ___, with new abilities like ________ and new body parts like complex ____

• Cambrian, Sea, Swimming, Eyes

• Permian, Ocean, Walking, Feet

• Paleozoic, Sea, Swimming, Eyes

• Cambrian, Sea, Walking, Eyes

Answer explanation

Fun Fact-The Opabinia regalis had five eyes!

In the ________ Period, early plants began their colonisation of land

• Silurian

• Paleozoic

• Permian

• Carboniferous

What is the order of the periods in the Paleozoic Era?

• Cambrian Ordovician Silurian Devonian Carboniferous Permian

• Permian Silurian Devonian Carboniferous Cambrian Ordovician

• Cambrian Ordovician Devonian Silurian Carboniferous Permian

Continents of Earth had merged into ______ in the _____________ Period

• Pangea, Carboniferous

• Pangea, Paleozoic

• Devonian, Pangea

• Pangea, Permian

Answer explanation

Pangea was also known as the supercontinent!

Huge Carboniferous rainforest ecosystems collapsed during the _________ Period

• Permian

• Carboniferous

• Devonian

• Silurian

Which period was the last period of the Paleozoic Era?

• Ordovician

• Silurian

• Devonian

• Carboniferous

• Permian

There were several mass extinctions in the Paleozoic Era

• True

• False

How many periods did the Paleozoic Era contain?

• 3

• 2

• 5

• 6