Words to Describe archaebacteria

How archaebacteria often is described ("________ archaebacteria")

• metabolizing
• certain
• primitive
• halophilic
• anaerobic
• acidophilic
• aerobic
• methanogenic
• producing
• shaped
• abyssal
• thermophilic
• consuming
• heterotrophic
• marine
• extreme
• hyperthermophilic
• reducing
• other
• submarine
• dependent