Animal Kingdom

1: (c) Mesoderm, 2: (a) Pores all over the body, 3: (b) Sessile (or attached to substratum), 4: (a) One, 5: (b) Coelenterate, 6: (c) Ctenophore, 7: (d) Taenia, 8: (a) Aschelminthes, 9: (c) Excretion, 10: (d) Organs for locomotion