A: Morphological Phylogeny. B: Molecular Phylogeny

Multiple Choice

A: Morphological phylogeny.

B: Molecular phylogeny.
-What is true of the deuterostomes in the molecular phylogeny (B) that is not true in the traditional phylogeny (A) ?

A) Deuterostomia is a clade.
B) To maintain Deuterostomia as a clade, some phyla had to be removed from it.
C) Deuterostomia now includes the Acoela.
D) It is actually a grade, rather than a clade.
E) It diverged from the rest of the Bilateria earlier than did the Acoela.