Biology, asked by anirbanchoudhury241, 4 months ago

write the distinguish between pretesticullar and testicullar nephredia

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Answered by harithayalagapudi

Answer:

i) Testicular nephridia- Posterior 11 pairs of nephridia lying one pair in each segment from 12 to 22nd, are termed testicular nephridia. ... ii) pretesticular Nephridia- There are no testis sacs, peri-nephrostomial ampullae and ciliated organs in their segments so called this.

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