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