Select the taxonomy mentioned that represents both marine and fresh water species.
Correct answer: D. Cnidaria
- A. Echinoderms
- B. Ctenophora
- C. Cephalochordata
- D. Cnidaria
Explanation
Cnidarians are the sac-like animals which are aquatic. They are mostly marine except a few like hydra which are fresh water. They are the simplest organisms that have attained a tissue level of organization. Members of Ctenophora, Cephalochordata and Echinodermata are exclusively marine.
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