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What are four major characteristics of the phylum Echinoderms?
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What are four major characteristics of the phylum Echinoderms?

User Sweta Sharma
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Answer:A calcareous, spiny endoskeleton of plates or ossicles

A water-vascular system

Pedicellariae

Dermal branchiae

Basic penta-radial symmetry

Step-by-step explanation:

User Sinar
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Step-by-step explanation:

Hope this helps....................

What are four major characteristics of the phylum Echinoderms?-example-1
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