Final answer:
A cladogram is a diagram that illustrates the degree of relatedness between organisms. It represents the emergence of new traits that separate one group of organisms from the rest.
Step-by-step explanation:
A cladogram is a diagram that illustrates the degree of relatedness between organisms. It represents the emergence of new traits that separate one group of organisms from the rest. Cladograms are graphical representations of evolutionary history and are used to show the relationships among organisms or groups of organisms. They help scientists understand how species are related to each other through common ancestors.