The span of control of the average manager in an organization determines the width of the organization as seen when viewing the organizational chart. Fewer reports to the average manager will result in a taller organizational chart, with more management positions relative to the number of individual contributors.
Closely related to sloths and anteaters, armadillos are a unique species with around 20 different subspecies. One variety, the Giant armadillo, is close to extinction in their wild habitats of South America.
The Cretaceous-Tertiary mass extinction - also known as the K/T extinction - is famed for the death of the dinosaurs. However, many other organisms perished at the end of the Cretaceous including the ammonites, many flowering plants and the last of the pterosaurs.