How do annelid animals differ from arthropod animals?
Differences between Annelida and Arthropoda are:
Annelida | Arthropoda |
Appendages are not jointed. | Appendages are jointed. |
Exoskeleton absent | Exoskeleton present. |
Animals are metamerically segmented both externally as well as internally. | Animals are segmented both internally as well as externally. |
Excertion by nephridia. | Excretion by Malpighian tubules or green glands. |