In the geological record, there are five major mass extinctions the "Big Five." The most famous happened at the end of the Cretaceous Period, when the dinosaurs and two-thirds of all marine animal species were wiped out, opening the door for the age of mammals and the rise of Homo Sapiens.
Woven is along the wa.
Raup leaps into an egaging discussion of the theories, assumptions, and difficulties associated with the science of species extinction.
Using this example as a springboard, David M.
In the geological record, there are five major mass extinctions the "Big Five." The most famous happened at the end of the Cretaceous Period, when the dinosaurs and two-thirds of all marine animal species were wiped out, opening the door for the age of mammals and the rise of Homo Sapiens
