archaebacteria includes what extremophiles
Kingdom Archaea â¢âarchaeâ bacteria= âancientâ bacteria â¢Contains most of the âextremophilesâ â¢Prokaryotes-no membrane bound organelles â¢Encompasses 5 phyla, and includes the methanogens and extreme halophiles and thermophiles.â¢Until 1977 archaea were classified as bacteria. The majority of archaea are extremophiles. â¢ Acidophile An organism with optimal growth at pH levels of 3 or below â¢ Alkaliphile An organism with optimal growth pH levels of 9 or aboveâ¢ Anaerobe An organism that does not require oxygen for growth.