Solution:

• Annelida is a species of phylum consisting of worms with equal limbs and two-sided limbs. These include earthworms, earthworms and seaweed.
• The name Analida comes from the Latin word annulus, meaning small ring.
• The body has a long body and is divided into several segments. Each body is called a metamere.
• Metamorphoresis is found in the periphery of blood vessels, nerve ganglions, genitalia, and muscles. In fact most of the essential parts are repeated this way.
• Metamerism is the repetition of the internal organs within such bodies.