Which one of the following statements is not | vedclass

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Question

(A) The statement 'All echinoderms are viviparous' is incorrect because animals belonging to the phylum $Echinodermata$ are oviparous,meaning they lay

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All echinoderms are viviparous

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(A) The statement 'All echinoderms are viviparous' is incorrect because animals belonging to the phylum $Echinodermata$ are oviparous,meaning they lay eggs.Roundworms $(Aschelminthes)$ lack a circulatory system.Bony fishes $(Osteichthyes)$ typically possess a swim bladder (air bladder) which helps in buoyancy.Cartilaginous fishes $(Chondrichthyes)$ undergo internal fertilization.

Which one of the following statements is not correct?

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