List the features of Phylum Annelida of the Animal kingdom.

Phylum Annelida (segmented worm)

Main Features :

(i) They have elongated and segmented body.

(ii) Body bears lateral appendages for locomotion in the form of chitinous Setae or Parapodia.

(iii) The body is bilaterally symmetrical and triploblastic.

Fig. 7.16. Animals of Phylum Annelida.

(iv) Reproduction by sexual means. Sex may be separate or hermaphrodite (both sexes in the same individual).

(v) They are the first animals with true coelom (body cavity).

Examples. Pheretima (earthworm), Hirudinaria (cattle leech) and Nereis.