Why Is the Earthworm in Phylum Annelida?
The Name of the Phylum Is Derived from the Latin Word Annellus, Which Means a Small Ring. .. . the Phylum Includes Earthworms, Polychaete Worms, and Leeches...
The name of the phylum is derived from the Latin word annellus, which means a small ring. ... The phylum includes earthworms, polychaete worms, and leeches. Annelids show protostomic development in embryonic stages and are often called “segmented worms” due to their key characteristic of metamerism, or true segmentation.
Why does earthworm belong to phylum Annelida?
Phylum: Annelida
Annelids are segmented worms. Earthworms belong to this phylum because their bodies are sectioned, creating the ridged or ringed appearance that gives the "ringed worms" of this phylum their name.
Are earthworms part of phylum Annelida?
Earthworm, also called angleworm, any one of more than 1,800 species of terrestrial worms of the class Oligochaeta (phylum Annelida)—in particular, members of the genus Lumbricus.
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