what is the difference between metameric segmentation and pseudo metameric segmentation as in annelids and platyhelminthes?

animal classification


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3 Answers
  • i true metameric segmentation body is both externally as well as internally dived where as in case of pusdometamerism body is only externally divided
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  • in simple language in metameric segmentation as in annelids both is divided both externally and internally whereas in psuedometamerisem body is divided externally only
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  • Metamerism is segmentation of body into somites or metameres. 
    Pseudometamerism occurs in cestodes in which every segment is independent of the other and contains complete set of organs that have no connection with organs in other segments...
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