Earthworm Dissection Guide

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Presentation transcript:

Earthworm Dissection Guide

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

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

External Anatomy

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

Internal Anatomy: Reproductive System

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)

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

Digestive System Extracellular digestion Within digestive tube

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