Which of the following statements regarding comparison of tree construction methods is true? A. For a given number of taxa, the number of possible rooted trees can be calculated, but the number of possible unrooted trees is infinite.
B. For a given, number of taxa, the number of possible rooted trees exceeds the number of possible unrooted trees. C. Rooted trees indicate relationships among taxa, wheres unrooted trees do not. D. For a given number of taxa, the number of possible unrooted trees exceeds the number of possible rooted trees.