Answer: C). Lungs and claws or nails.
A cladogram is a diagram which is used to depict phylogenetic relationships between organisms belonging to same or different species. A clade can be defined as a group of organism exhibiting common traits similar to the ancestor organism. A cladogram indicates a relationship between organisms with their ancestors. Here, in the given cladogram the characteristics which are common in lizards and chimpanzee are lungs and claws or nails. As, lizard belongs to a group of reptiles and chimpanzee belongs to a group of mammals. Lungs are present in them to support respiration. Claws or nails are present to run and hold surfaces or substrates. For example, climbing on a wall or tree requires claws or nails.
