Final answer:
A sociogram is the graphical depiction of a network, mapping out relationships within a group. Histograms represent data distribution, whereas phylogenetic trees show evolutionary relationships.
Step-by-step explanation:
The term that refers to a graphical depiction of a network is D. Sociogram. Sociograms are visual representations that map out the relationships within a group, such as social connections in a social network. Other types of graphs like histograms, genograms, and diagrams serve different purposes. For example, histograms are used to represent the distribution of data in a data set, with bars whose heights indicate the frequency of data occurrences.
A phylogenetic tree or a cladogram typifies a different aspect of graphical representations—they illustrate evolutionary relationships. Tree diagrams are specifically useful in probability and statistics to visualize the outcomes of experiments and can display frequencies or probabilities on their branches.