According to the cladogram, what derived trait is shared by primates and rodents/rabbits? What is the correct term for the area labeled with a circle? What does it represent? What is the correct term for the earliest branch pictured in the cladogram (the one with the shark)? What does it represent? Solution PART1)According to the cladogram,hair trait is shared by primates and rodden rabbis......... PART2)IT represents they are reptiles.... PART3)IT represents it is the oldest organism...........