Differentiation in segmental fashion occurs in

Which of the following is not an Annelid?

You are provided with the seeds of gram,wheat,rice,pumpkin,maize,and pea. Classify them into monocot and dicot seeds.

Pick the odd one out and justify your choice by giving reasons:
$(a)$ Moss,Fern,Pinus,Spirogyra.
$(b)$ Sea Cucumber,Octopus,Feather Star,Starfish.

Fill in the boxes given in the figure with appropriate characteristics or plant groups.

You are given leech,Nereis,Scolopendra,prawn,and scorpion; all have a segmented body organization. Will you classify them in one group? If no,give the important characters based on which you will separate these organisms into different groups.