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.
Psychology pertains to the study of the human mind, whereas sociology pertains to learning human behaviour. Psychology can be said to be a science that deals with individual mental behaviour. On the other hand, sociology is a science that deals with the origin and development of the human society. Where psychology deals with individuals or small groups, sociology deals with a larger group or the society itself.