Annelids | Arthropods | |
---|---|---|
1. | True body cavity called coelem | Blood filled body cavity called haemocoel. |
2. | Lateral appendages for locomotion. | Jointed legs for locomotion |
3. | Closed circulatory system | Open circulatory System. |
4. | Body is soft, there is no hard skeleton | Hard Exoskeleton made up of chitin |
5. | Body is segmented both externally and internally (septa) | e.g. Body is externally divided but not internally by septa. |
6. | e.g. Leech, earthworms etc. | e.g. Insects, spiders, prawns etc. |