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Which of the following is not a characteristic of phylum Annelida ? 

Option: 1

Pseudocoelum 


Option: 2

Ventral nerve cord 


Option: 3

closed circulatory system 


Option: 4

Segmentation 


Answers (1)

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As we have learned

Phylum Annelida (Ringworm) -

Mostly aquatic and some terristrial, some communal and parasitic. Bilateral symmetry, triploblastic and coelomate (schizocoelom). 

- wherein

Eg. Nereis, Pheretima, Hirudinaria.

 

 

 

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