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 a science of social activities that are used to improve the knowledge of human activity. Sociology deals with social activities meant for human welfare in the society. As man is a social being he has to develop certain ideologies and methodologies to live comfortably and peacefully in the society. Sociology deals with the interaction between several individuals and groups in the society.