The excretory structures of flatworms/Taenia are:
Correct answer: A. Flame cells
- A. Flame cells
- B. Protonephridia
- C. Malpighian tubules
- D. Green glands
Explanation
Flame cells are scattered throughout the parenchyma from which they remove metabolic wastes. A flame cell is of irregular shape, with granular cytoplasm and a nucleus. The bundle of cilia, or flame, arises from basal granules near the nucleus. Cilia are enclosed into a funnel shaped lumen formed by the terminal blind end of a capillary. Protonephridia are found in flatworms, Malpighian tubules are found in insects and green glands in crustaceans.
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