The node in a cladogram represents the formation of a new species. The formation of a new species is termed as a speciation event.
The node in cladogram indicates the point at which a splitting event, or formation of a new species occurred.
The line between two nodes is called the internode. It represents at least one hypothetical ancestor.
A cladogram is a tree shaped diagram that is used to illustrate evolutionary relationships among species by analyzing some similarities or differences in physical features and other kinds of characters in the organisms.
The common ancestor
The end of that ancestral taxon
The node in a cladogram represents the formation of a new species or the common ancestor.