1. Phylum Porifera Underwater Caves
Uses
Underwater Caves
Medicine- makes toxic compounds that kill bacteria and fungi
Home to marine animals (shrimp, snails, starfish)
Bathing/ Cleaning
Porifera= Pore Bearers
Most Ancient Animal. (evolved from ?)
Sessile
No mouth or organs
Filter Feeders

2. Phylum Cnideria 2 Body Forms Characteristics
Polyp- vase shaped, sessile, tentacles upward Ex. Sea Anemone
Medusa- Umbrella shaped, mobile, tentacles downward. Ex. Jellyfish
Characteristics
marine
soft bodied
carnivore- stinging cells/ tentacles

3. Roundworms Characteristics Unsegmented Round Shape
Soil/ Internal Parasites
Pinworms
2. Hookworms Ascaris
3. Filarial Worms
Elephantitis

4. Flatworms (platyhelminthes)
Characteristics
Unsegmented
Flat
Senses/ Body Sytems
Planaria
2. Tapeworm
3. Fluke Life Cycle

5. Segmented Worms (Annelids)
Characteristics
Segmented
Specialized Organs
Earthworms
2. Leeches
Uses of Annelids
Fishing
Landscapers- earthworms aerate soil
Medical- leeches remove bruises

6. Mollusks Characteristics 1. Mantle- shell 2. Visceral Mass- organs
3. Foot- Locomotion
Bivalves
2. Gastropods
3. Cephalopod

7. Arthropods (Joint Foot)
Characteristics
Segmented Bodies
Exoskeleton- chitin
Jointed Appendages
Compound Eye
Molting- losing outer skeleton
Mouth Parts
Most Members
Crustaceans Mandible- mouth Claws Cephalothorax- fused head and neck

8. Arthropods Arachnid Insects Spiders Flying Mites Jumping
Horseshoe Crab
Insects
Flying
Jumping
Social

9. Echinoderms (spiny skin)
5 part radial system
Water Vascular System
Madreporite
Skin Gills
Starfish
Sea Urchin Sea Cucumber