Point out the statement which is not a salient feature of the class-Calcarea. (A) The skeleton c...

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Point out the statement which is not a salient feature of the class-Calcarea.
(A) The skeleton consists of calcarous spicules
(B) Body is radially symmetrical, cylindrical or vase-like
(C) They are bright coloured and freshwater or marine organisms
(D) The choanocytes are large
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