The Phylum Mollusca All mollusks are classified under the phylum Mollusca. There are six classes of mollusks: 1. Class Cephalopoda This class includes the highly intellegent, many-armed orders of mollusks.
In sum, both applied and basic science is needed in any discipline. Basic sociology focuses on testing or developing theory directly. Applied sociology uses theory as a tool to solve a client-centered problem. In basic sociology, theory is often the end. In applied sociology, theory is a means to an end. Applied sociology is not atheoretical, rather, theory plays a different role in applied sociology than it does in basic sociology.
Sociology is the study of human relations, institutions, behavior and its origins, and development. It is useful because it helps us understand society and why people think the way they think and why they do what they do.