Which of the following animals has the characteristics given below?

$∙$ Larval form has bilateral symmetry but adult has radial symmetry.
$∙$ Ambulacral system helps in locomotion.

Balanoglossus

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Antedon

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Octopus

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Hippocampus

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Solution

The correct option is B Antedon
The given characteristics belong to the members of phylum Echinodermata. Antedon is a free-swimming, marine animal that belongs to phylum Echinodermata.

Octopus belongs to the phylum Mollusca. Hippocamous belongs to the phylum Chordata. Balanoglossus belong to the Phylum Hemichordata.

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Which of the following animals has the characteristics given below? ∙ Larval form has bilateral symmetry but adult has radial symmetry. ∙ Ambulacral system helps in locomotion.

Which of the following animals has the characteristics given below?

$∙$ Larval form has bilateral symmetry but adult has radial symmetry.
$∙$ Ambulacral system helps in locomotion.