Pampas		"Ecological islands" that are isolated plateaus
Mt Aconcagua		High plateau surrounded by even higher mountains
Lake Titicaca		Elevated region that slopes to a fertile coast plain in Guyana
Estuary		Created when moisture is blocked by a mountain range
Orinoco		Occurs where fresh and seawater mix
Altiplano		Grass covered savannas found in Venezuela
Lake Titicaca		Created by a loss of nutrients or by overgrazing
El Nino		Located from sea level to 3,000 feet
Tierra del Fuego		Highest elevated freshwater body in the world
Llanos		River system that drains Caribbean South America
Parana		Parallel mountain ranges
Patagonia		A narrow waterway connecting two larger bodies of water
Tepuis		Run along most of the western part of the continent
Paramo		The driest desert in the world
Selvas		Region found above the tree line
Cordillera		A water pattern located along the west coast
Tierra caliente		A rain shadow desert found in southern Argentina
Strait		Landform that is the size of the U.S--contains 1/3 of all species
Tierra helada		Links the Pacific and Atlantic Oceans
Peru Current		Drains much of the central portion of Atlantic South America
Strait of Magellen		"Land of Fire"
Atacama		Highest freshwater lake in the world
Rain shadow		Found above 16,000 feet
Soil exhaustion		Thick rainforests found in the Amazon Basin
Guiana Highlands		Grasslands created from fertile loess deposits
Amazon River		Highest peak in the Western Hemisphere
Andes		A weather pattern found in the Pacific Ocean