[CBSE AIPMT 2006]
Correct Option (d)
Reason : Phylogeny (Gr. Phylon - tribe or race geneia = origin) is the origin and diversification of any taxon or the evolutionary history of its origin and diversification. It is usually represented as a diagrammatic phylogenetic tree (that traces putative evolutionary relationships), i.e., dendrogram. Palaentology is the study of fossis Ontogeny is the whole course of an individual's development and life history.