Phylum-Annelida

Phylum-Annelida – (Name Annelida: Latin word, annulus: little ring) Phylum-Annelida – The organisms of this phylum also known as the ringed worms or segmented worms, are a large phylum. The phylum includes over 22,000 extant species. The variation includes ragworms, earthworms, and leeches. They can survive in marine environments, freshwater, Read more…