A scientist is trying to classify a new organism. She observes that the organism is a microorganism it is PROKARYOTIC and reproduces through binary FISSION it was found living in a hydrothermal vent what is the best classification for the organism?

Based on the provided information, the best classification for the organism would be a prokaryotic microorganism belonging to the domain Archaea, specifically the Kingdom Archaebacteria. The fact that it reproduces through binary fission and is found living in a hydrothermal vent suggests that it may be an extremophile, a type of organism that thrives in extreme environments such as high temperatures and pressures.