Columbia Encyclopedia

(Encyclopedia) bear, large mammal of the family Ursidae in the order Carnivora, found almost exclusively in the Northern Hemisphere. Bears have large heads, bulky bodies, massive hindquarters, short, powerful limbs,...

(Encyclopedia)  CE5 Peru pāro͞oˈ [key], officially Republic of Peru, republic (2015 est. pop. 31,377,000), 496,220 sq mi (1,285,210 sq km), W South America. It borders on the Pacific Ocean in the west, on Ecuad...

(Encyclopedia)  CE5 Argentina ärjəntēˈnə, Span. ärhāntēˈnä [key], officially Argentine Republic, republic (2020 est. pop. 45,380,000), 1,072,157 sq mi (2,776,889 sq k...

(Encyclopedia) Pleistocene epoch plīˈstəsēn [key], 6th epoch of the Cenozoic era of geologic time (see Geologic Timescale, tablegeologic timescale, table). According to a classification that considered its depos...

(Encyclopedia) mountain, high land mass projecting conspicuously above its surroundings and usually of limited width at its summit. Although isolated mountains are not unusual, mountains commonly form ranges, compri...

(Encyclopedia)  CE5 Plate tectonics: Map of the world showing major plates and plate boundaries CE5 Plate tectonics: Schematic model of the oceanic crust, showing the three types of plate boundaries plate tect...

(Encyclopedia) Cretaceous period krĭtāˈshəs [key], third and last period of the Mesozoic era of geologic time (see Geologic Timescale, tablegeologic timescale, table), lasting from approximately 144 to 65 millio...

(Encyclopedia) Inca ĭngˈkə [key], pre-Columbian empire, W South America. The name Inca may specifically refer to the emperor, but is generally used to mean the empire or the people. When Francisco Pizarro lande...

(Encyclopedia) Native American languages, languages of the native peoples of the Western Hemisphere and their descendants. A number of the Native American languages that were spoken at the time of the European arriv...

(Encyclopedia)  CE5 Ecuador ĕkˈwədôr [key] [Span., = equator], officially Republic of Ecuador, rep...