The annelids, collectively called Annelida (from French annelés "ringed ones", ultimately from Latin anellus "little ring"), are a large phylum of segmented worms, with over 17,000 modern species including ragworms, earthworms and leeches
An Arthropod is a group classification assigned to organisms in the animal kingdom under Phylum Arthropoda. Arthropods have segmented bodies and hollow jointed legs and are made up of spiders, insects and crustaceans. Arthropods are also invertebrates ie; they have no backbone or spinal column.
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