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Choose the incorrect statement.

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In Greek, echinos means spines, and derma means skin.

Echinoderms are not exclusively free-living marine animals.

Echinoderms are spiny skinned organisms.

Echinoderms are Diploblastic, radially symmetrical and have a coelomic cavity.

answer is B.

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Detailed Solution

Echinoderms are exclusively free-living marine animals.

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