1.

The given figures `(A-D)` show four animals. Select the correct option with respect to a common characteristic of any two of these animals. A. (a) & (d) have cnidoblasts for self-defenceB. (c) & (d) have a true coelomC. (a) & (d) respire mainly through body wallD. (b) & (c) show radial symmetry

Answer» Correct Answer - B
(c) & (d) have a true coelom


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