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Prostomium and mouth
The first segment on the earthworm’s anterior holds the prostomium and mouth. The prostomium, resembling a lip, is in front of the mouth. Earthworms use their pharynx to pull food into their mouths.
Acknowledgement: Giles san Martin
Rights: Giles san Martin
Published: 12 June 2012,Updated: 12 June 2012Size: 30.25 KB