An obligate parasite, or holoparasite, is a parasitic organism that cannot complete its life-cycle without exploiting a suitable host.
Part of the Andes mountain range, Aconcagua is the second highest of the Seven Summits, behind only Mount Everest in Asia. At 22,837 feet (6,961 meters), not only is it the highest mountain in South America, it is the tallest peak in all of the Americas as well as the Southern and Western Hemispheres.
The Tallest Mountains In The South American Andes Mount Aconcagua, the tallest Andean mountain, with a height of 6,962 meters, is one of the Seven Summits of the world. Mount Aconcagua in Argentina, the tallest mountain in the Andes.