Which of the following options does correctly represent the characteristic features of phylum Annelida?

Step-by-step solution

In Annelids, it is divided into a number of segments or metameres. The successive segments of the body are separated externally by ring-like constrictions called annuli. They are eucoelomates. The body is made up of three layers, it is triploblastic. The body of annelids can be divided into two equal halves by a single plane of symmetry, and thus are bilaterally symmetrical.