Which of the following organs play a role in excretion in annelids?
A
Nephridia
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B
Statocysts
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C
Malpighian tubules
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D
Parapodia
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Solution
The correct option is A Nephridia Nephridia and parapodia are found in organisms of phylum Annelida.
Nephridia are special excretory organs that help in osmoregulation, which is maintenance of water content in the body as well as in getting rid of the wastes from the body of annelids.
Parapodia are leg appendages found in every segment of aquatic annelids and they help in swimming.
Statocysts and Malpighian tubules are found in organisms of phylum Arthropoda. Malpighian tubules and statocysts are used in excretion and maintenance of balance, respectively, in arthropods.