1.

One very special feature in the earthworm is thatA. fertilisation of eggs occurs inside the bodyB. the typhlosole greatly increases the effective absorption area of intestineC. the S-shaped setae embedded in the integument are the defensive weapons used against the enemiesD. it has a long dorsal tubular heart

Answer» Correct Answer - B
From the `27^(th)` segement upto 23 - 25 segment in front of the anus in intestine of earthworm, lies a highly glandular and vascular part called tyhlosole. It greatly increases the effective absorption area for digested food in the intestine.


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