question_answer 70)

  Give examples for the following (a) Bilateral, dorsiventral symmetry is found in......... . (b) Worms causing disease elephantiasis is......... . (c) Open circulatory system is found in......... where coelomic cavity is filled with blood (heamolymph). (d) ......... are known to have pseudocoelom.

Answer:

  (a) Platyhelmihthes        (b) Wauchereria bancrofti            (c) Arthropods    (d) Annelids