Introduction to the Great Mass Extinctions
Lecture no. 16 from the course: A New History of Life
Taught by Professor Stuart Sutherland | 28 min | Categories: The Great Courses Plus Online Science Course
Earth’s fossil record is punctuated with episodes when large fractions of all species abruptly disappeared. Examine the distinction between background extinction and mass extinction. Then look for factors that lead to these periodic catastrophes, and search beyond Earth for a possible explanation.