1) Segmented body: Annelids have a body that is divided into a series of segments. This segmentation allows for greater flexibility and mobility.
2) Closed circulatory system: Annelids have a closed circulatory system, in which blood is contained within vessels and pumped by a heart.
3) Excretory system: Annelids have a specialized excretory system, which includes nephridia, small tubes that filter waste products from the blood.
4) Chaetae: Many annelids have bristle-like structures called chaetae that help them to move and obtain food.
5) Nervous system: Annelids have a well-developed nervous system, with a nerve cord and ganglia located in each segment of the body.
6) Reproduction: Annelids can reproduce both sexually and asexually, with some species exhibiting regeneration capabilities.
7) Habitat: Annelids can be found in a wide range of environments, from freshwater and marine habitats to soil and even in the bodies of other animals as parasites.
characteristics of annelida
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