Tutorspoint offers PhylaMollusca Echinodermata and Hemichordata Assignment Help, Homework help, Essay writing help to students. Phylum Mollusca 1.      Second largest phylum in the animal kingdom 2.      Terrestrial or aquatic, triploblastic with organ level organization, bilaterally symmetrical and coelomate animals 3.      Body is covered with calcareous shell. Anterior head region has sensory organs called the tentacles…