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4/27. 1. What does annelid mean? 2. Why are they the most advanced worm phyla? 3. What are examples of annelids? 4. What systems do they have? Give the parts of each. 5. What are setae? 6. What are three examples of parasites and what phyla are they in?. 4/29

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4/27

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  1. 4/27 1. What does annelid mean? 2. Why are they the most advanced worm phyla? 3. What are examples of annelids? 4. What systems do they have? Give the parts of each. 5. What are setae? 6. What are three examples of parasites and what phyla are they in?

  2. 4/29 • What are the three worm phyla and how do they differ? • Which is most advanced, why? • What are setae? • What are characteristics of animals? • What is an invertebrate? • What is a Porifera? • What phyla is the simplest? • Give characteristics of that phyla. • Ability to regrow lost parts is. • Lives in or on another organism and causes harm is.

  3. 4/28 What are the characteristics of Porifera? What are nematocysts? What are characteristics of Cnidaria? How do nematodes and platyhelminthes differ? Give ex. of each. What makes and annelid more advanced then the rest? Explain the systems of an annelid. Give examples of annelids. What is the difference between a closed and open circulatory system.

  4. 5/5 What are the three classes of mollusks and what does each mean? Give an example of each. What does mollusk mean What are characteristics of mollusks? Which group of mollusks are most advanced? How do they differ? What does annelid mean? What were the parts of the earthworms digestive system? What type of circulatory system did it have? Explain.

  5. 4/26 What is the simplest group of invertebrates? Why are they considered animals? What are the three worm phyla? Which is more complex? What are nematocysts? Why are platyhelminthes more complex then cnidaria? What are the two body forms of cnidaria? What is the common name for nematodes and platyhelminthes?

  6. Mollusca

  7. Characteristics Soft-bodied animals that typically have shells (for protection) Can live on land or in water(fresh or ocean) reproduce sexually bilateral symmetry

  8. These are mollusks!!!!!

  9. Gastropods"stomach foot"Ex. snails and slugs • largest group of mollusks • Move using a muscular foot and by oozing mucus

  10. Body Systems • *simple nervous system • *open circulatory system

  11. Body Plan/Function *single or no shell *radula in mouth (files off bits of plant matter into small pieces) Radula types

  12. BivalvesTwo-Shelled MollusksEx. Clams, Oysters, Scallops and mussels

  13. Habitat/Movement • *live in water • *some move by clapping shells together

  14. Body Systems *simple nervous system *open circulatory system

  15. Body Plan/Function * filter feeders (as water passes over body, it filters out small organisms)

  16. Cephalopods“Head Foot”Ex. octopus and squid

  17. Habitat/Movement *live in water ·*tentacles used for movement and to capture food *Some have ink glands, release when alarmed for camouflage

  18. Body Systems • *Most elaborate nervous system in Mollusk phylum *have brain *closed circulatory system

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