By: Hunter, Hailee, and Makenna Annelida By: Hunter, Hailee, and Makenna

General Description Over 22,000 species of Annelida Vast species mostly known as segmented worms

Symmetry Have bilateral symmetry. If split in half, vertically, it would be a mirror image

Feeding Eats food through a lip like structure After being pulled into the mouth, it goes down the esophagus Then into the stomach

Circulation Have a closed circulatory system. Have blood, vessels, and heart Example: earthworms, leeches, ect.

Excretion Excrete their waste through the pores in their skin Waste excrete through the excretory organs called nephridium

By cells on their outer body which is heat and light sensitive Response By cells on their outer body which is heat and light sensitive Examples: Tapeworm and earthworms

Muscle cells (length of bodies) contract to move Circular Longitudinal Movement Muscle cells (length of bodies) contract to move Circular Longitudinal Ringed worms Segmented Chatae

Reproduction Reproduces sexually Reproduces asexually ew.

Respiration Gills Uses outer skin to exchange gas

Classes Biological Rank Phylum Higher Classification Lophotrochozoa Snail Lower Classification Polychaete Ditellate Leech