Precambrian
What were the first life forms?
Cyanobacteria
What was the creature that I made for the Cambrian?
Dickensonia
What is the Devonian's nickname?
The age of fish DUH
What was the mass extinction that wiped out 94% of marine life and 70% of land life?
The great dying.
What was the mass extinction at the end of the Carboniferous called?
Carboniferous Rainforest Collapse
How many eras were in the Precambrian?
none.
Daily Double!
What was the first trilobite called?
Profallotaspis jakutensis
When did the first trees evolve?
The Devonian.
What was the massive Dragonfly?
Meganeura
What was the mass extinction at the end of the Permian?
Great Dying
how did Cyanobacteria live?
in mats on the seafloor
What was the creature I made for the Ordivician?
Anamalocaris
Where was Helicoprion's buzz saw?
On it's lower jaw.
What is coal made of?
Decomposed plant material
What was the mass extinction at the end of the Silurian?
None!
What was the first animal?
a sponge
When did the first plant come onto land?
Ordovician
How many trilobite spicies were in the Silurian?
Over 20,000
When did Pangea form?
Late Carboniferous-Early Permian
What is the name of the first snowball earth?
Heronian Glaciation
what is the longest eon?
proterozoic
What does trilobite mean?
three-lobed
what was the mass extinction at the beginning of the Silurian?
Late ordivician mass extinction.
Daily double!
how high were the oxegyn leveles in the Carboniferous?
35%
Which mass extinction wiped out the trilobites?
Great Dying