Which of the following is not reported to have any fresh water forms? (DPMT 2003)
A. Mollusca
B. Sponges
C. Coelenterates
D. Echinoderms
Answer:D
Which of the following is not reported to have any fresh water forms? (DPMT 2003)
A. Mollusca B. Sponges C. Coelenterates D. Echinoderms