Which two main clades branch from the most recent common ancestor of the eumetazoans?
A)Calcarea and Silicea
B)Lophotrochozoa and Ecdysozoa
C)Cnidaria and Bilateria
D)Rotifera and Deuterostomia
E)Deuterostomia and Bilateria

Question

Quizplus · Accepted Answer

The eumetazoans include all animals with true tissues. The two main clades that branch from the most recent common ancestor of the eumetazoans are Cnidaria and Bilateria. These two clades are distinguished by differences in symmetry, embryonic development, and body plan.

Which Two Main Clades Branch from the Most Recent Common