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Annelids are characterized by a segmented body covered by a moist, flexible cuticle that helps prevent desiccation and aids in locomotion. Their skin is typically composed of a single layer of epidermal cells, which secretes the cuticle. Additionally, annelids possess a layer of circular and longitudinal muscles beneath the epidermis, allowing for efficient movement. These body coverings are essential for respiration, as gas exchange occurs directly through the skin.

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AnswerBot

2w ago

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