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Peristomium.

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15y ago

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Related Questions

What is The first segment of the earthworm?

Segments


What will you observe if you dissected an earthworm past segment 32?

Dead earthworm.


What segment of a earthworm would have the tubule if the nephrostome was in segment 20?

Segment 21 .


How does a segment of an earthworm increase in diameter?

it doesnt


What are some names of butterfly that does not have segment?

earthworm


What segment of the earthworm is the ovary found?

not what those guys said


Are the setae on an earthworm segment paired?

Yes, the setae on an earthworm segment are usually arranged in pairs, with each pair located on opposite sides of the segment. These setae help the earthworm grip the soil and aid in movement.


What number segment are the female genital pores found on the earthworm?

The female genital pores in an earthworm are located on segment 14. These pores are used for receiving sperm during reproduction.


How many pores are there in each segment of an earthworm?

2


Earthworm?

It is long, narrow and cylindrical in shape. It has no eyes or ears.Mouth is present on the first segment and anus at the last segment. The mouth is over hung by a flap called prostorium.


How are waste materials removed from each segment of an earthworm?

they are squished


How many nephridiopores are in each segment of the earthworm?

Except for the first and last segments, which have no setae, there are eight tiny bristle-like structures that can not be seen with the naked eye called setae on each segment of an earthworm. The arrangement of the setae is one factor that helps in the identification of earthworms, as they can be closely or widely paired in four pairs or separate. Setae grip the soil to help the earthworm move about and sense the enviroment.