In Pheretima,septa are absent between which s | vedclass

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(D) In $Pheretima$ (earthworm),the body is divided into segments by transverse partitions called septa. Septa are absent in the first three segments.

Vedclass · Accepted Answer

First four segments

Vedclass · Answer

(D) In $Pheretima$ (earthworm),the body is divided into segments by transverse partitions called septa. Septa are absent in the first three segments. Specifically,the first septum is found between the $4^{th}$ and $5^{th}$ segments. Therefore,septa are absent between the first four segments (i.e.,$1/2, 2/3, 3/4$ and $4/5$ are not present as complete septa,with the first functional septum starting after the $4^{th}$ segment).

In $Pheretima$,septa are absent between which segments?

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