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Phylum Echinodermata (Echinoderms)

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The term Echinoderm means spiny-skinned animals that move by the use of hundreds of suction cup-tipped appendages.

Echinoderms have radial symmetry; this means that the animal's body plan could be divided along any place into equal halves.

Examples of Echinoderms: Sea Stars, Brittle Stars, Sea Urchins, Sand Dollars, Sea Cucumbers, Sea Lilies, Feather Stars, and Sea Daisies.

Tube feet work like suction cups; they stick to an object and then pull the organism along.


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