1. Earthworm Dissection Guide

2. Characteristics Segmented worms Include Earthworms, Leeches, clam worm
Classification: Domain- Eukarya Kingdom: Animalia
Phylum: Annelida

3. Classification Is in the domain Eukarya because they contain
Kingdom Animalia because they are
Phylum because they are

4. External Anatomy

7. Cocoon (produced from the clitellum)
Approx. 20 Earthworms are in each cocoon
Only 2-4 survive

8. Internal Anatomy: Reproductive System

9. Earthworm Respiration
Breath through their skin
Must remain moist
Move to the surface during rainstorms to prevent drowning
Take in O2 and release CO2 during cellular respiration – to make ATP (energy)

10. Internal Anatomy: Circulatory System
* Closed Circulatory system (blood carried in vessels)
*Five Aortic Arches or pumps

11. Digestive System
Extracellular digestion
Within digestive tube