- 1(current)
Q. No.One very special feature in the earthworm Pheretima is that:
| 1. | the typhlosole greatly increases the effective absorption area of the digested food in the intestine |
| 2. | the S-shaped setae embedded in the integument are the defensive weapons used against the enemies |
| 3. | it has a long dorsal tubular heart |
| 4. | fertilization of eggs occurs inside the body |
Subtopic: Â Earthworm |
 56%
From NCERT
AIPMT - 2011
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- 1(current)
Q. No.
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