Asteroid
How fast was the asteroid going?
What is...
45,000mph
The Cretaceous Tertiary is at what severity level
What is...
The third most severe
What percentage of organisms were lost
What is...
about 57%
How wide was the crater that it made?
120 mile wide crater
When did the extinction occur?
66 million years ago
What percentage of coccolithophore and planktonic foraminiferal genera survived
What is...
13%
The layers of rock made by the asteroid are called what?
What is the...
K-T boundary
How long did the extinction last?
What is...
32,000 years
What was the apex predator at the time of the extinction?
What is...
Dinosaurs
In which area did the asteroid hit
What is...
Mexico's Yucatan Peninsula
which toxic gasses were greatly increased after the extinction?
What are...
CO2 and greenhouse gasses
what plant had the most widespread extinction
What are...
Angiosperms
The meteor impact left a deposit of what rare earth element?
What is...
Iridium
The land impacts of this asteroid were what?
What are
the melting of the crust and tektites
which reptile groups survived this extinction?
What are...
turtles crocodilians lizards and snakes