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Animal classification

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Lecture slides for animal phyla in Mr. Bearman's IB life science class. Retrieved and altered from Sciencespot.

Lecture slides for animal phyla in Mr. Bearman's IB life science class. Retrieved and altered from Sciencespot.

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  • 1. THE ANIMAL KINGDOMBASIC CHARACTERISTICS OF ANIMALS: 1. MULTICELLULAR ORGANISMS 2. CAPABILITY OF LOCOMOTION 3. MUST INGEST FOOD NINE ANIMAL PHYLA INVERTEBRATES: (8 PHYLA) ALL LACK INTERNAL SKELETON, SOME HAVE EXOSKELTON OR SHELLVERTEBRATES (CHORDATES): (1 phylum) INTERNAL SKELTON MADE OF BONE/ CARTILAGE
  • 2. 1. PORIFERA: SIMPLEST ANIMALSNO TISSUE LAYERS EXAMPLES: SPONGES
  • 3. 2. CNIDARIA HOLLOW BODY HAVE STINGING CELLSTWO BODY FORMSMEDUSA & POLYP EXAMPLES: CORAL, JELLYFISH, SEA
  • 4. 3. PLATYHELMINTHES:EXAMPLES:PLANARIA, FLUKE, TAPEWORM UNSEGMENTED WORMS FLAT WORMS
  • 5. 4. NEMATODA UNSEGMENTED WORMS ROUND WORMS EXAMPLES: HOOKWORMS, HEARTWORMS
  • 6. 5. ANNELIDASEGMENTED WORMS MOST ADVANCED WORMSEXAMPLES: LEECH, EARTHWORMS
  • 7. 6. ARTHROPODA SEGMENTED ANIMALS EXOSKELETONS MADE OF CHITINCLASS CRUSTACEAN - MARINE ORGANISMS EXAMPLES: SHRIMP, LOBSTER, CRAB, BARNACLE
  • 8. 7. MOLLUSCA SOME HAVE SHELL UNSEGMENTED, SOFT BODIESEXAMPLES: SNAIL, SCALLOP
  • 9. 8. ECHINODERMATA HAVE A DERMAL SKELETON WITH SPINES & PLATESONLY LIVE IN MARINEENVIRONMENTEXAMPLES: SEA URCHIN, SEASTAR, BRITTLE STAR
  • 10. 9. CHORDATA EXAMPLES: FISH, REPTILES, BIRDS, AMPHIBIANS, MAMMALSHAVE INTERNALSKELETON BACKBONE TO PROTECT SPINAL CORD