Metamerism
Segmentation in bilateral animals (like Annelida) which involves a longitudinal division of body into a linear series of similar sections or parts.Each segment is called a somite or metamere.Metamerism is…
Annelida: General features
Mostly aquatic, some terrestrial. Burrowing and tubicolous, Some are commensal and parasitic.Body elongated and bilaterally symmetrical. Triploblastic. True coelom.Metamerically segmented into similar metameres.Epidermis made from a single layer of columnar…