試題詳解

9. Betalains are red pigments found in beets and other members of the order Caryophyllales (cacti, carnations, nths, and most carnivorous plants). This pigment is not found in other groups, and the Cary derived from a common ancestor. The presence of betalain pigment in members of this group is a:
(A) homoplasy.
(B) synapomorpby.
(C) clear indication that the group is polyphyletic.
(D) All of these are correct.