Use the following figure to answer the questions below.

Humans,chimpanzees,gorillas,and orangutans are members of a clade called the great apes,which shared a common ancestor about 18 million years ago.Gibbons and siamangs comprise a clade called the lesser apes.Tree-branch lengths indicate elapsed time.
-The great apes comprise the family Hominidae,whereas the lesser apes comprise the family Hylobatidae.If the extant organisms on the far right side of the above figure comprise the next-most exclusive (i.e.,specific)taxon,then they comprise different