Answer:
The correct answer is - C. The presence or absence of ancestral traits.
Step-by-step explanation:
The phylogenetic tree is given in the diagram that shows the ancestor species to diverged into various species that are species 1 and 2 and species 3 and species 4.
In this diagram species 1 and species 2 are diverged from 3 and 4. The given reletionship are infeered the abscence or presence of ancestoral trait to offsprings.