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Animalphylum

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  • 1. Invertebrate Phylum
  • 2. Phylum Poriferia
  • 3.
    • Sponges thought to be the most primitive of animals -Believed to have been formed by the uniting of protozoa to a colonial organism.
    • -contain an internal skeleton of spicules made of or silica (glass like). Classified by these spicules.
    • - -Reef related, found particularly in localized zones within China. -mostly asexual reproduction
    • Sessile for most of life cycle
    • No symmetry
    • Pores in body wall allow water to enter
    Phylum Porifera Main Characteristics
  • 4.  
  • 5.  
  • 6. Spongia (Euspongia) Typical bath sponge
  • 7.  
  • 8. Stelligera stuposa
  • 9. Cnidarian Phylum
  • 10. Main Characteristics
    • Radial symmetrical
    • include the hydroids, jellyfish, anemones, and corals
    • have tentacles with stinging cells in their tips which are used to capture and subdue prey
    • one of two basic body types, polypoid or medusoid.
    • Cnidarians have a true mouth and digestive cavity, but no anus. What goes in, also must come out the same opening
  • 11.  
  • 12. Jelly fish
  • 13. Coral
  • 14. Phylum Platyhelminths
  • 15. Major Characteristics
    • Flat worms
    • Bilaterally symmetrical
    • Cephalization
    • Incomplete digestive systems
    • Some parasitic
  • 16. Nematodes
  • 17. Major Characteristics
    • Round worms
    • 2 openings
    • Many are parasitic
    • bilaterally symmetric
    • diverse range of habitats including soil, fresh water, oceans and as internal parasites of vertebrates
    • Decomposers, important for soil health
  • 18.  
  • 19. Heart worm in dog
  • 20. Mollusks
  • 21. Characteristics
    • Open circulatory system
    • Foot for movement
    • Includes snails, slugs, clams, scallops, octopi, and squid
  • 22. Gastropods Banana slug Snail
  • 23. Bivalves clam
  • 24. Cephalopods squid
  • 25.
    • Giant Squid
    • An underwater creature the length up to 18 meters, with eyes the size of your head.giant sucking tentacles that cover eight arms, each longer than your car.
    • Until recently have not been seen alive!
                                                        
  • 26. Annelids
  • 27. Major Characteristics
    • Segmented worms
    • Full digestive track
    • Hearts
    • Nervous system and a brain
    • 2 types of muscles
    • Sexual reproduction
    • 9,000 species of Annelids known today, including worms and leeches.
  • 28. Bilateral symmetry, full digestive track.
  • 29. leech                                                    
  • 30. Candy Striped Worm
  • 31. Arthropods
  • 32. Major Characteristics
    • Tough exoskeleton
    • Jointed appendages
    • Segmented body
    • Spiracle tubes for respiration
    • Complex respiration
    • Largest phylum over 1,000,000 species
    • Includes insects, crabs, spiders, tics, and shrimp
  • 33. Sow bug Tiger beetle
  • 34. Wolf spider Crab
  • 35. Echinoderms
  • 36. Major Characteristics
    • Radial symmetry
    • Internal skeleton
    • No brain
    • Tube system filled with water for movement
    • Complex reproductive cycle
    • One opening
    • radial symmetrical
    • Spiny skins
  • 37.  

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