110 likes | 119 Views
Learn about the characteristics, anatomy, and classification of segmented worms like earthworms, leeches, and clam worms. Explore their external and internal anatomy, reproductive system, respiration, circulatory system, and digestive system.
E N D
Characteristics • Segmented worms • Include Earthworms, Leeches, clam worm • Classification: Domain-EukaryaKingdom: Animalia • Phylum: Annelida
Classification • Is in the domain Eukarya because they contain • Kingdom Animalia because they are • Phylum because they are
Cocoon (produced from the clitellum) • Approx. 20 Earthworms are in each cocoon • Only 2-4 survive
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