These are called acidophiles
Classification system originated in the 18th century, from the works of a Swedish botanist Carolus Linnaeus. He classified living beings based on similarities between them. Organisms which could interbreed were put in one species.
Plants, Animals, Protists, fungi, archaebacteria, eubacteria
Answer:
They are the alkali metals, alkaline earth metals, transition metals, other metals, metalloids, non-metals, halogens, noble gases and rare earth elements.