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The annelids are segmented worms. Although some annelids have appendages and primitive sight organs (photo-reactive pigment spots), earthworms do not. Earthworms do, however, have the typical annelid neural ganglia, and the annelid circulatory system, including the aortic arches that function as the worm's heart. And, of course, earthworms are segmented.

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16y ago

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