A) radial
B) bilateral
C) pentamerous
D) spherical
Correct Answer: A
Solution :
Radial symmetry is the characteristic feature of bodies of coelenterates and echinoderms, Bisection of these animals in two or more planes produces halves which are approximately mirror images of each other. Bilateral symmetry occurs in most metazoans. These have only one plane in which they can be divided into two halves, which are mirror image of each other.
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