Question

you have found a mass of cells in the sediment surrounding a thermal vent in the ocean floor. the salinity in the area is quite high. upon microscopic examination of the cells, you find no evidence of membrane - enclosed organelles. how would you classify this cell?
as a prokaryotic cell
both b and c
as a member of domain archaea or bacteria
as a eukaryotic cell

Explanation:

Prokaryotic cells lack membrane - enclosed organelles. The domains Archaea and Bacteria are prokaryotic. High - salinity and ocean floor thermal vent environment can be habitats for Archaea or Bacteria. Eukaryotic cells have membrane - enclosed organelles.

Answer:

As a prokaryotic cell
As a member of domain Archaea or Bacteria