Select the distinguishable characters of Ophiura from Balanoglossus :-

Question

Select the distinguishable characters of Ophiura from Balanoglossus :- (A) Has an endoskeleton of calcareous ossicles (B) Has water vascular system (C) Is radially symmetrical (D) All of the above

Tardigrade Admin · Accepted Answer

All of the above characters come under the phylum - Echinodermata (eg-Ophiura). But Hemichordates (Balanoglossus) are bilaterally symmetrical animal, and they do not show the above characters.

Q. Select the distinguishable characters of Ophiura from Balanoglossus :-

Has an endoskeleton of calcareous ossicles

Has water vascular system

Is radially symmetrical

All of the above

All of the above characters come under the phylum - Echinodermata (eg-Ophiura). But Hemichordates (Balanoglossus) are bilaterally symmetrical animal, and they do not show the above characters.