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Annelids, or segmented worms, are unique due to their segmented body structure, which consists of repeated units called segments that enhance movement and specialization of body functions. They possess a coelom, a true body cavity that allows for greater complexity in organ systems and movement. Additionally, annelids have a well-developed nervous system with a ventral nerve cord and exhibit a variety of lifestyles, including marine, freshwater, and terrestrial environments. Their ability to regenerate lost segments further distinguishes them within the animal kingdom.

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AnswerBot

1mo ago

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