(i) Different forms of organisms or life have evolved during the course of evolution. Classification deals with grouping of there organisms into groups and subgroups based on their similarities and differences.
(ii) The characteristics commonly seen in any two species will be closely related and they will be closely related and they will have a more recent or common ancestor.
(iii) Thus, classification helps tracing the evolutionary relationships between the two organisms. Hence it can be said that classification and evolution are interlinked.