In yellowstone national park, hot springs can reach temperatures of 205°f (96°c). despite these high temperatures, aquifex bacteria flourish. how might you classify aquifex bacteria? slime molds extreme thremophiles amoebas algae

Am certain that the aquifex bacteria might be classified as extremophiles. 
Exremophiles are organisms that have been discovered on earth that survive in environments that were once thought not to be able to sustain life. The extreme environments include intense heat, highly acidic environments, extreme pressure and extreme cold.