Which of the following types of nephridia are | vedclass

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(D) Earthworms $(Pheretima)$ possess three types of nephridia based on their location: $1$. Septal nephridia: Present on both sides of the intersegmen

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Protonephridia

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(D) Earthworms $(Pheretima)$ possess three types of nephridia based on their location: $1$. Septal nephridia: Present on both sides of the intersegmental septa from the $15^{th}$ segment to the last. $2$. Integumentary nephridia: Attached to the lining of the body wall of segment $3$ to the last. $3$. Pharyngeal nephridia: Present as three paired tufts in the $4^{th}, 5^{th},$ and $6^{th}$ segments. Protonephridia are primitive excretory structures found in organisms like flatworms (Platyhelminthes),not in earthworms.

Which of the following types of nephridia are not found in earthworms?

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