Animal KingdomHard
Question
Haemocoel is found in
Options
A.Hydra and Aurelia
B.Taenia and Ascaris
C.Cockrachand pila
D.Herdmania and balanoglossuss
Solution
Presence of haemocoel(a blood filled body cavity) is a characteristic of arthropods and molluscs,e.g. cockroach and Pila
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