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3. | 3. Name the organism which has flame-cell in its excretory system? | |
A. | a) Corals | |
B. | b) Ctenophora | |
C. | c) Roundworm | |
D. | d) Flatworm | |
Answer: Option Answer: d | |
Explanation: | |
Explanation: A flame-cell is a specific excretory cell found in the easiest freshwater spineless creatures, including flatworm |
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