QUESTION 1- Second mouth A. Eumetazoans Molting animals B. Lophotrochozoans - v Symmetrical Animals C. Deuterostomes - Segmented worms D. Platyhelminthes - v Snails and squid E. Echinodermata - Spiny skin F. Cnidarians - Cuticle - Spiral cleavage G. Porifera - Acoelomate flatworms H. Chordata - Asymmetrical animals I. Nematoda J. Mollusca - Vertebrae K. Annelida - Radial symmetry L. Ecdysozoans M. Bilateria N. Arthropoda.