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  • One very special feature in the earthworm Pheretima is that :Option: 1 It has a long dorsal tubular heart<div class='qna-optio

One very special feature in the earthworm Pheretima is that :

Option: 1

It has a long dorsal tubular heart


Option: 2

Fertilization of eggs occurs inside the body


Option: 3

The typhlosole greatly increases the effective absorption area of the digested food in the intestine 


Option: 4

The S - shaped setae embedded in the integument are the defensive weapons used against the enemies.


Answers (1)

best_answer

Pheretima has a long dorsal tubular heart that increases the ineffective absorption area of the digested food in the intestine.

Posted by

sudhir kumar

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