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, and other terrestrial environments. Characteristics features of Annelids Habitats: The members of this phylum annelida may be aquatic (i.e. marine and freshwater), or terrestrial, free-living, and in some members, parasitism is also found. Level of organization: in annelids the organ-system…
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