The Puna grassland ecoregion is found in which of the following continents?
Puna grassland ecoregion is found in the central Andes Mountains of South America. The term Puna encompasses diverse ecosystems of the high Central Andes above 3200–3400 m. It is found above the tree line at 3200–3500 m elevation, and below the permanent snow line above 4500–5000 m elevation