A researcher plans to draw a cladogram to show the most recent common ancestors of mammeals, reptiles, amphibians, and birds. He needs to choose a group from the table as a sample to study the relationship among amniotic eggs, feathers, hair, and double eyelids from each organism. Which sample group does the researcher use to draw the cladogram?

Sample Group Species
A FROGS, BEARS, SANKES, DEER
B FROGS, DEER, SNAKES, LIZARDS
C FROGS, PARROTS, LIZARDS, OWLS
D FROGS, SNAKES, OWLS, BEARS