The Ozarks. The Saint Francois Mountains, viewed here from Knob Lick Mountain, are the geologic core of the Ozarks. The Ozarks (also referred to as Ozarks Mountain Country, the Ozark Mountains or the Ozark Plateau) are a physiographic, geologic, and cultural highland region of the central United States.
Pyramiding in Tortoises. Leopard tortoise (Geochelone pardalis ) with severe pyramiding. click on the photo for a better view. Pyramiding is a form of metabolic bone disease (MBD). It is characterized by a build up or stacking of keratin in the scutes. In advanced cases the shell becomes soft and flattens out. The above tortoise was rescued from horrible conditions.
population pyramid. A population pyramid, or age structure graph, is a simple graph that conveys the complex social narrative of a population through its shape. Demographers use these simple graphs to evaluate the extent of development for a given population â usually an individual nation â and to make predictions about the types of services that population will need e.g. schools, hospitals, homes, etc.