: Classification of Phylum Mollusca

Organisms in a phylum share a set a characteristics that distinguishes them from organisms in another phylum The qualities that group animals into a phylum

A phylum can be defined either by a group of organisms with a certain degree of morphological or developmental similarity or as a group of

phylum Organisms in a phylum share a set a characteristics that distinguishes them from organisms in another phylum The qualities that group animals into a phylum

phylum In Summary: Phylum Annelida Phylum Annelida includes vermiform, segmented animals Segmentation is seen in internal anatomy as well, which is called metamerism