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Distinguish Between the Following - Prostomium and Peristomium - Biology

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ConceptEarthworm Morphology


Distinguish between the following - Prostomium and peristomium


  Prostomium Peristomium
  Prostomium is a small fleshy lobe, which overhangs the mouth of an earthworm. It helps the organism push into the soil and is sensory in function. The first body segment in the earthworm is called the peristomium. It surrounds the mouth opening
  Ii does not contain mouth it contain mouth
  It serves as wedge to force open cracks in the soil in which the earthworm lives It does not happen in peistomium
  It is sensory in function it is not sensory
  Is there an error in this question or solution?


 NCERT Solution for Biology Textbook for Class 11 (2018 to Current)
Chapter 7: Structural Organisation in Animals
Q: 5.1 | Page no. 122

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Solution Distinguish Between the Following - Prostomium and Peristomium Concept: Earthworm - Morphology.
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