Once Organisms Are Classified as to Their Domain, There Are

Once organisms are classified as to their domain, there are still millions of different species in each domain. Subdividing them even further makes it easier to understand their relationships to each other. A domain is divided into more subgroups until genus species is reached. Which of the groups listed is the broader group (contains more members) ?

A) Order.
B) Class.
C) Family.
D) Phylum.
E) Kingdom.