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Phylum Porifera

Phylum Porifera. 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.

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Phylum Porifera

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

  3. Roundworms Characteristics • Unsegmented • Round Shape • Soil/ Internal Parasites • Pinworms 2. Hookworms 4. 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 • Spiders • Mites • 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

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