A Scientist Isolates a Single Celled Organism from the Bottom

Multiple Choice

A scientist isolates a single celled organism from the bottom of a sulfur hot spring.When examined under the microscope,it is clear that the cell is very small and contains no nucleus.Based on this evidence alone,in what domain of life is this organism?

A) Eukarya
B) Bacteria
C) Archaea
D) Either bacteria or archaea
E) It is impossible to determine anything based on this evidence alone