A) Septalnephridia
B) Macro nephridia
C) Integumentary
D) nephridia
Correct Answer: B
Solution :
Nephridia are excretory organs of earthworms. Three types of nephridia are found in earthworm according to their location, namely the septalnephridia, pharyngeal nephridia and integumentary nephridia. Earthworm excretes urea as well as ammonia as an excretory waste. So, it is known as ureotelic as well as ammoniotelic.
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