Question 45

(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.
A: Morphological phylogeny.
   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.
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.

Answer