A cladogram is a diagram that is used to represent a relationship between group of organisms. This is used to depict how organisms are related on the basis of their morphological and molecular compositions. A cladogram also shows how descendant organisms are related with their common ancestors. A clade is a group of organisms that consists of a common ancestor. On the basis of the cladogram shown in the picture, chimpanzee and salmon are least related organisms because they have only one feature in common that is lungs.
