A) Echinoderms
B) Ctenophora
C) Cephalochordata
D) Cnidaria
Correct Answer: D
Solution :
[d] Cnidarian members are found both in freshwater and marine environments, while members of Ctenophora, Cephalochordata and echinodermata are found exclusively in marine environment.You need to login to perform this action.
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