Annelid Groups
Marine Worms
- Members of the class Polychaeta
- Have parapodia which increase surface area of the worm making gas exchange easier between the worm and the water
- Members of the class Polychaeta
- Have parapodia which increase surface area of the worm making gas exchange easier between the worm and the water
Earthworms
- Members of the class Oligarchaeta
- Lack a distinctive head region and have no eyes
* Compensate with light-sensitive and touch-sensitive organs
- Lack a distinctive head region and have no eyes
* Compensate with light-sensitive and touch-sensitive organs
Leeches
- Members of the class Hirudinea
- Contain bloodsuckers at both ends of their body
- Contain bloodsuckers at both ends of their body