Which phylum of the animal kingdom is exclusively marine? (Orissa 2003, 2006)
A. Porifera
B. Arthropoda
C. Echinodermata
D. Molluscs
Answer:C
Which phylum of the animal kingdom is exclusively marine? (Orissa 2003, 2006)
A. Porifera B. Arthropoda C. Echinodermata D. Molluscs