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Segmented Worms
Segmented worms are a group of invertebrates that includes earthworms, ragworms and leeches. There are about 12,000 species of segmented worms alive today. The articles listed below provide information about the characteristics, classification and evolution of segmented worms.
Segmented Worms
Segmented worms are bilaterally symmetrical invertebrates that include more than 12,000 species such as earthworms, ragworms and leeches. This profile explores basic facts about segmented worms including how they are classified, what they eat, where they live and the characteristics that make them different from other invertebrate groups.