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 Devonian Extinction. Toward the end of the Devonian, nearly 70% of all invertebrate species vanished during the Late Devonian extinction. Marine species (especially tropical ones) suffered the most extinctions, followed by freshwater species, whereas terrestrial species were hardly affected.he Devonian Extinction. Toward the end of the Devonian, nearly 70% of all invertebrate species vanished during the Late Devonian extinction. Marine species (especially tropical ones) suffered the most extinctions, followed by freshwater species, whereas terrestrial species were hardly affected.