This graph plots extinction rates of marine animal families ... The fossil record, however, describes sudden, global extinctions that affect many species. These dramatic events are known as ...

Apart from this, there is evidence of a smaller extinction affecting the oceans around ... This was a critical event in the evolution of life on Earth and ultimately led to the evolution of ...

In a new study from Northern Arizona University, researchers delved into the relationship between their extinction and the evolution of fruit. They explored a few key moments in the planet’s ...