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Sts unit 6 classification and animal diversity for moodle

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Sts unit 6 classification and animal diversity for moodle

  1. 1. Kingdom Animalia <ul><li>Eukaryotic </li></ul><ul><li>Multicellular </li></ul><ul><li>Heterotrophic </li></ul><ul><li>No cell wall </li></ul>Porifera Annelida Cnidaria Mollusca Flatworms Echinodermata Roundworm Arthopoda Sharks Bony Fish Amphibians Birds Reptile Mammal
  2. 2. Symmetry
  3. 3. Invertebrate Phyla: Porifera <ul><li>Pore-bearing </li></ul><ul><li>Free swimming larva form sessile adults </li></ul><ul><li>Aquatic, mostly marine </li></ul><ul><li>Sexual and Asexual Reproduction </li></ul><ul><li>Filter feeders </li></ul><ul><li>Commonly known as sponges </li></ul>
  4. 4. Invertebrate Phyla: Cnidaria <ul><li>Have tentacles with “stinging” cells called nematocysts </li></ul><ul><li>Radial symmetry </li></ul><ul><li>One body opening </li></ul><ul><li>Two body forms </li></ul><ul><ul><li>Polyp is sessile </li></ul></ul><ul><ul><li>Medusa is free swimming </li></ul></ul>Hydra Coral Jellyfish
  5. 5. Invertebrate Phyla: Platyhelminthes <ul><li>Flatworms </li></ul><ul><li>Bilateral symmetry </li></ul><ul><li>Free living or parasitic </li></ul><ul><li>Sexual reproduction (hermaphroditic) and asexually by regeneration </li></ul>Planaria Tapeworm
  6. 6. Invertebrate Phyla: Nematoda <ul><li>Roundworms – no segments </li></ul><ul><li>Two body openings </li></ul><ul><li>Free-living and parasitic </li></ul><ul><li>Sexual reproduction </li></ul><ul><li>Body cavity present but only partially lined with mesoderm </li></ul>Heartworm Ascaris
  7. 7. Invertebrate Phyla: Annelida <ul><li>Segmented bodies </li></ul><ul><li>Closed circulatory system </li></ul><ul><li>Hermaphroditic, sexual reproduction </li></ul><ul><li>A “true” coelom allowed complex organ systems to develop </li></ul>Earthworms Leeches
  8. 8. Invertebrate Phyla: Mollusca <ul><li>Soft bodied, many with a hard outer shell (may be absent) </li></ul><ul><li>Some filter feeders, some a predators </li></ul>Snails Oysters, scallops, clams Squid, octopus
  9. 9. Invertebrate Phyla: Echinodermata <ul><li>“ Spiny skin” </li></ul><ul><li>Contains an endoskeleton </li></ul><ul><li>Water vascular system </li></ul><ul><li>Radial symmetry </li></ul><ul><li>Regeneration of body parts </li></ul>Starfish Sand Dollar Sea Cucumber
  10. 10. A closer look at starfish… Tube Foot Sucker Radial Canal Madreporite Plate Reproductive Glands Ring Canal Digestive Gland Stomach Anus Endoskeleton Eyespot
  11. 11. Invertebrate Phyla: Arthropod <ul><li>Very large, diverse group of animals </li></ul><ul><li>Adapted to many different environments </li></ul><ul><li>Jointed appendages </li></ul><ul><li>Exoskeleton made of chitin </li></ul>Insects (73%) Non-insect arthropods (12%) Non-arthropod invertebrates (11%) Vertebrates (4%)
  12. 12. Classes of Arthropoda <ul><li>Crustaceans </li></ul><ul><ul><li>Two body segments </li></ul></ul><ul><ul><li>5 pairs of legs </li></ul></ul><ul><ul><li>Lobster, shrimp, crab </li></ul></ul><ul><li>Arachnida </li></ul><ul><ul><li>Two body segments </li></ul></ul><ul><ul><li>4 pairs of legs </li></ul></ul><ul><ul><li>Spiders, ticks, scorpions </li></ul></ul>
  13. 13. Classes of Arthropoda <ul><li>Chilopoda </li></ul><ul><ul><li>Carnivores </li></ul></ul><ul><ul><li>One pair of legs per body segment </li></ul></ul><ul><ul><li>Centipedes </li></ul></ul><ul><li>Diplipoda </li></ul><ul><ul><li>Herbivores </li></ul></ul><ul><ul><li>Two pairs of legs per body segment </li></ul></ul><ul><ul><li>Millipedes </li></ul></ul>
  14. 14. Classes of Arthropoda <ul><li>Insecta </li></ul><ul><ul><li>Three body segments </li></ul></ul><ul><ul><li>Many have wings </li></ul></ul><ul><ul><li>Some have complex social structures </li></ul></ul>
  15. 15. Phylogenetic Tree

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