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.
Secondly, applied research, which is the application of basic research to understanding how behaviour can be changed in everyday setting. When applied research is conducted using samples that are representative of the population to demonstrate effective behaviour change it is particularly relevant to policy makers.