What Is True of the Deuterostomes in the Molecular Phylogeny

question 1

Multiple Choice

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

• A) Deuterostomia is paraphyletic.
• 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.