Members of this phylum are exclusively marine:
Correct answer: D. Echinodermata
- A. Porifera
- B. Cnidaria
- C. Mollusca
- D. Echinodermata
Explanation
The echinoderms are exclusively marine.There are over 5,000 known species of echinoderms. They are marine organisms living at the sea bottom.
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