Every living organism on Earth can be assigned to one of three separate
A) species.
B) genus groups.
C) domains.
D) ancestors.
E) genomes.

Question

Quizplus · Accepted Answer

The three domains are Bacteria, Archaea, and Eukarya. Every living organism on Earth can be classified into one of these three domains based on their cellular structures and biochemical properties. While species, genus groups, ancestors, and genomes are all important in classification and evolutionary history, they do not encompass all living organisms on Earth like the three domains do.

Every Living Organism on Earth Can Be Assigned to One