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One very special feature in the earthworm pheretima is thatA. It has a long dorsal tubular heartB. Fertilisation of eggs occurs inside the bodyC. The typhlosole greatly increases the effective absorption area of the digested food in the intestineD. The S- shaped setae embedded in the integument are the defensive weapons used against the nemies |
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Answer» Correct Answer - C Typhlosole is a highly glandular vascular longitudinal ridge increasing the area for absorption of digested food |
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