I Lava You!
When did geologic time begin?
This was called the Age of Invertebrates.
What is the early Paleozoic Era?
What covered much of the Earth during the early Paleozoic Era?
What are inland seas?
This is called the age of fishes.
This is called the Age of Mammals.
What is the Cenozoic Era?
This is called the Age of Amphibians.
What is the late Paleozoic Era?
Why was the land so dry during the Pleistocene Epoch?
Glaciers covered much of the Earth, causing sea level to drop and the inland seas to drain.
When did the first ancestors of humans evolve on Earth?
What is 6 mya?
Where do scientists think the marsupials in Australia originated?
Think their ancestors migrated from South America when the continents were connected.
In which era did Pangaea break up?
What is the Mesozoic Era?
What eon do are we currently living in?
What is the Phanerozoic Eon?
What does Phanerozoic mean?
It means "visible life".
What period do we currently live in?
What is the Quaternary Period?
When was the Cambrian Explosion?
About 540 mya
What's the name of the extinction that ended the Mesozoic Era and wiped out the dinosaurs?
What is the Cretaceous Extinction?
What's the name of the mass extinction that ended the Paleozoic Era that was the worst mass extinction in all of Earth's geologic time?
What is the Permian Extinction?
What is the Permian Extinction sometime called?
What is "the Great Dying"?
How many of Earth's species were wiped out due to the Permian Extinction?
95% of all marine life forms and 70% of life forms on land
The oldest fossil found in rocks is how old?