what are some basic charectersics of the phylum echinidermata , with examples
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Explanation:
Characteristics of Echinodermata
They have a star-like appearance and are spherical or elongated.
They are exclusively marine animals.
The organisms are spiny-skinned.
They exhibit organ level of organization.
They are triploblastic and have a coelomic cavity.
The skeleton is made up of calcium carbonate.
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