Which of the following is a freshwater sponge?
Correct answer: D. Spongilla
- A. Sycon
- B. Leucosolenia
- C. Euplectella
- D. Spongilla
Explanation
Spongilla is a genus of freshwater sponges in the family Spongillidae found in lakes and slow streams. Sycon is a genus of calcareous sponges belonging to the family Sycettidae. These sponges are small and are tube-shaped and often white to cream in color. Euplectella is a genus of glass sponges that includes the well-known Venus flower basket. So, the correct answer is option D.
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