Which one of the following is not applicable for adult Echinodermata?
A
Marine
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B
Madreporite
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C
Podia
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D
Bilateral symmetry
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Solution
The correct option is D Bilateral symmetry The larvae of the echinoderms have bilateral symmetry but this is lost during metamorphosis when their bodies are reorganised and develop the characteristic radial symmetry of the echinoderm.