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Question

Symmetry of adult echinoderm is

A
Bilateral
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B
Radial
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C
Asymmetrical
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D
Biradial
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Solution

The correct option is B Radial
Adult echinoderms are radially symmetrical, i.e., they can be cut into two equal halves along more than one plane. More specifically, they are pentaradially symmetrical. However, the larvae are bilaterally symmetrical.

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