Graphs (IMAGE)
Caption
Graphs showing how speciation rate (blue) dipped and extinction rate (red) rose sharply in the last 10 million years of the age of dinosaurs. Run together, this corresponds to a rapid reduction in the number of species (black) just before the impact of the asteroid 66 million years ago.
Credit
Fabien L. Condamine
Usage Restrictions
Single use only - with press release
License
Licensed content