Identify structures No. 1-12
13. To what Phylum does this organism belong?
14. To what Class does this organism belong?
Answers
1. prostomium
2. mouth
3. buccal cavity
4. pharynx
5. esophagus
6. nephridia
7. seminal vesicles
8. dorsal blood vessel
9. ventral blood vessel
10. aortic arches
11. cerebral ganglion
12. ventral nerve cord
13. Phylum Annelida
14. Class Oligochaeta