User:Shashank Mishra Gonda

Zoology paper IInd

Blog Ist                                            Phylum -- Annelida

The name Annelida was first of all used by Lamarck in 1809 for the higher segmented worms(केंचुआ).

General --characteristic

Body Triploblastic,Bilaterally symmetrical, Elongated and Vermiform.



Organ-system  grade of body organisation.