Question

Differences between annelids and arthropods.

Answer 1

1. Annelida is a broad phylum belonging to the kingdom Animalia.
2. Arthropoda is the largest phylum belonging to the kingdom Animalia.

Annelida	Arthropoda
Annelids are coelomates and triploblastic.	Arthropods are triploblastic and bilaterally symmetrical.
2. Nephridia are the excretory organs.	2. Malpighian tubules are the excretory organs.
3. Well-developed circulatory system.	3. Open circulatory system.
4. Respire through their body surface.	4. Respire through tracheae and book lungs.
5. Examples: Earthworms and leeches.	5. Examples: Prawn and cockroach.