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  • Which of the following is not a feature of annelids?Option: 1 Metameric segmentationOption: 2

Which of the following is not a feature of annelids?

Option: 1

Metameric segmentation


Option: 2

Nephridia


Option: 3

Pseudocoelom


Option: 4

Clitellum


Answers (1)

 

 

Phylum Annelida-

  • The term ‘Annelida’ is derived from the latin term annellus, that implies small rings. This phylum contains the animals that are also called ‘Ringworms’.
  • The body of annelids is truly segmented because these segments or metameres are externally visible as annuli and internally as septation. 
  • Segmentation improves the movement and enhances the chances of survival by providing redundancy.
  • They are triploblastic and bilaterally symmetrical. 
  • They have a true coelom, i.e., they are coelomate. The mesoderm lines the cavity on both sides. 

-

 

 

 

Pseudocoelom is present in Aschelminthes.

 

Posted by

Sumit Saini

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