Early Paleozoic
What does the Greek word "palai" mean?
It means "life".
What was the supercontinent known as?
Pangaea.
What did the Middle Paleozoic end with?
A mass extinction event.
What type of continent is Pangaea?
A supercontinet.
What are vertebrates?
Animals with a backbone.
Middle Paleozoic rocks contain evidence of what?
True or False: Ancient amphibian species adapted to land in several ways.
True.
What was the first formation of Pangaea known as?
Only species that could adapt to the changes survived.
The organisms from the Cambrian explosion were what kind of animals?
Invertebrates
Does the Middle Paleozoic align with the Bible?
No, it does not.
What is a coal swamp?
A coal swamp is an oxygen-poor environment where, over time, plant material changes into coal.
What does fossil evidence reveal about the Paleozoic era?
Fossil evidence reveals what time the fossils lived and what they were like.
What two periods make up the Early Paleozoic?
The Cambrian and Ordovician periods.
What did rising seas cause?
Rising seas flooded the continents and formed many shallow inland seas.
Some of the early vertebrates were what?
They were fishes.
True or False: The swamps of the Carboniferous and Permian periods eventually became major sources of coal that we use today.
True.
During the late Paleozoic, the present-day North America was called what?
Laurasia.
How many eras were the Paleozoic divided into?
Early, middle, and late.
What is an inland sea?
An inland sea is a body of water formed when ocean water floods continents.
What did the Early Paleozoic end with?
The Early Paleozoic ended with a mass extinction event, but many invertebrates survived.