Segmentation in the body is first observed in which of the following: (a) Platyhelminthes (b) Aschelminthes (c) Annelida (d) Arthropoda | NCERT solution | Class 12 Biology | Unit-4 Animal Kingdom

Q.13:- Segmentation in the body is first observed in which of the following:

(a) Platyhelminthes (b) Aschelminthes (c) Annelida (d) Arthropoda

 

Answer

The body segmentation first appeared is Annelida.