How did the Devonian Period end?
The main reasons are oxygen was disappearing, sea level changes, plate tectonics, and climate change.
How many continents were there during the Devonian period?
There were two
When did the Devonian Period happen?
417 million years ago to 354 million years ago.
When did trees happen?
At the end of the Devonian Period.
What is the name of the first fish that should up during the Devonian Period?
(Hint its the armored fish)
Placoderms
What is the nickname for the Devonian Period?
"The Age of Fishes"
What are the names of the continents?
(It's ok if you don't pronounce them right.)
They are Gondwana and Euramerica
Whats the period before the Devonian Period?
The Silurian Period it was 400 million years ago
At the end of the Devonian Period did oxygen increase or decrease?
It increased a lot! It had enough for animals!
Sharks and Rays show up during the Devonian Period. True Or False?
It's True! Sharks and Rays showed up during the late Devonian Period.
How did the Devonian Period get its name?
It was named after Devon, England, where rocks from the Devonian period were first studied.
Did the Devonian Period have reefs?
Yes! The Devonian Period had a lot of reefs in shallow water.
Whats the period after the Devonian Period?
The Carboniferous Period
What was the first successful trees name?
Archaeopteris ![]()
The Devonian Period is before fish had bones, teeth, swim bladders and gills. True Or False?
It's False! During the Mid Devonian Period Scientist found that fish that had true bones, teeth, swim bladders and gills.
How many species of fish were there?
(Hint: Not an exact Number)
Thousands!
During the Devonian Period, most of the Earth was water.
True or False?
It's true most of the Earth was covered in water beside the continents.
What Era can the Devonian Period be found?
The Paleozoic Era
What was the most common fossil?
The most common fossil are fossils of shed branches.
Did the Devonian Period have Fossils?
Yes!
Did all the species go extinct when the Devonian Period end?
Almost all of them
Most of the land during the Devonian Period was covered in flowers.
True or False?
It's False! Flowers didn't appear till the Cretaceous period.
In the Devonian Period what greenhouse gas was formed?
It was CO2.
What was the most common fish during the Devonian Period?
The Lobe-finned fish