The larval stage in Asterias is:(a) Absent(b) | vedclass

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(B) $Asterias$ (starfish) belongs to the phylum $Echinodermata$.Echinoderms are free-living marine animals.Adult echinoderms exhibit radial symmetry,

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$(b) \; 	ext{and} \; (c)$

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(B) $Asterias$ (starfish) belongs to the phylum $Echinodermata$.Echinoderms are free-living marine animals.Adult echinoderms exhibit radial symmetry, whereas their larval stages exhibit bilateral symmetry.These larval stages are also free-swimming in nature.Therefore, both statements $(b)$ and $(c)$ are correct.

The larval stage in Asterias is:
$(a)$ Absent
$(b)$ Free-swimming
$(c)$ Bilaterally symmetrical
$(d)$ Radially symmetrical

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The larval stage in Asterias is:$(a)$ Absent$(b)$ Free-swimming$(c)$ Bilaterally symmetrical$(d)$ Radially symmetrical