unacademy 17. Consider the following statements (A - C) each with two blanks. a) Animals like Hydra and jelly fish depict (1) symmetry whereas earthworm and leech show (ü) symmetry. b) In (iii) and (iv) digestive tract has only single opening (mouth) and is said to be incomplete. c) Trichinella (Trichina worm) is a cosmopolitan (v) Parasite whereas Fasciola (liver fluke) lives in the bile ducts of the liver of (iv) Which one of the following options, correctly fills any two statements ? a) (i) - bilateral, (ii)- radial, (v)- snail, (vi) - human (iii) - snail, (iv)- pisces, (v) - human, (vi) - sheep (0) - radial, (ii) - bilateral, (iii) - coelenterate, (iv) - plathyelminthes d) (iii) - amphibia, (iv)- annelida, (v) - mosquito, (vi) - human