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Where are the genital openings of an earthworm present?
  • a)
    Dorsal surface
  • b)
    Ventral surface
  • c)
    First segment
  • d)
    Mid-dorsal line
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
Where are the genital openings of an earthworm present?a)Dorsal surfa...
Location of Genital Openings in Earthworm

The genital openings of an earthworm are present on its ventral surface. This means that they are located on the underside of the worm's body.

Explanation

The genital openings are the openings through which the earthworms mate and reproduce. In earthworms, these openings are not located at a single point but are spread out over several segments of the body. The openings are located on the ventral surface of the earthworm, which is the side of the body that is in contact with the ground as the worm moves.

The ventral surface of the earthworm is the side that faces downwards when the worm is moving. It is also the side that is in contact with the ground as the worm burrows through the soil. The ventral surface is easily recognizable because it is smoother and flatter than the dorsal surface, which is the top side of the worm.

Conclusion

In summary, the genital openings of an earthworm are present on its ventral surface. This is the side of the body that is in contact with the ground as the worm moves and is easily recognizable by its smooth and flat appearance. Knowing the location of the genital openings is important for understanding the reproductive biology of earthworms and for studying their behavior and ecology.
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Community Answer
Where are the genital openings of an earthworm present?a)Dorsal surfa...
Yes, it is correct. On the ventral surface, genital openings (pores) are present. The female genital pore is situated at the 14th segment and a pair of male genital pores is situated at the 18th segment.
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