1. Annelids– Segmented Worms
True coelomates
5 beating hearts– closed circulatory system
Bilateral symmetry
Setae—bristles (for anchoring & traction)

2. Phylum Annelida includes earthworms
& leeches

4. Mollusks– AKA “soft-bodied animals”
Many have shells (“Valves”)
Three-part body plan: head, visceral mass, muscular foot
Mucous-covered mantle

5. Bivalves
Clams, mussels, oysters

6. Gastropods– snails & slugs

7. Cephalopods– octopuses, squids, cuttlefish, chambered nautilus

9. Echinoderms Five-part radial symmetry Water-vascular system
endoskeleton
Echinoderms

10. Phylum Echinodermata includes sea stars, sea cucumbers, sea urchins

11. Echinoderms move by use of tube feet

14. Earthworms are hermaphrodites– but remember, they do NOT self-fertilize.
They fertilize each other.
The clitellum becomes a cocoon for the eggs.