Q 2. How do annelid animals differ from arthropods?
Annelids v/s Arthropods :
The circulatory system of annelids is closed, while Arthropods have an open circulatory system.
The annelid body is divided into several identical segments, while the body of a cockroach is divided into a few specialized segments.
Appendages are absent in Annelidsm, while Arthropods have joined appendages.