Animal Kingdom

1: (b) Pheretima, 2: (a) Arthropoda, 3: (d) All of these, 4: (b) Malpghian tubules, 5: (a) Gills, 6: (c) Mollusca, 7: (d) Calcium carbonate, 8: (a) Water canal system, 9: (b) Adults show radial symmetry but larvae show bilateral symmetry, 10: (d) Hemichordata