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Biol 1407 1.porifera-to_platyhelminthes_

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Biol 1407 1.porifera-to_platyhelminthes_

  1. 1. BIOL 1407 LAB IMAGES for Invertebrates Spring 2008 JGS 1
  2. 2. Attention: BIOL 1407 82001 and 83073 Students These images will be those that will be used for the next Lab exam. Any information in text, Lab Atlas or on slide is fair question material. 2
  3. 3. Phylum Porifera • Sponge anatomy to know. 3
  4. 4. Sponge Spicules • Sponges are heterotrophic animals that are sessile as adults. • Sponges are metazoans having no true tissue. • The sponge body is made of various cells in a spongin matrix with spicules of calcium carbonate or silica for structure and formation. 4
  5. 5. Marine sponge examples Phylum Porifera 5
  6. 6. Other Sponges (Man Made, Plant Origin) Luffa Sponge (plant) Cellulose Sponge Sponge Bob 6
  7. 7. Phylum Cnidaria (stinging celled animals) • Cnidarians are primitive heterotrophic diploblastic (two layered) animals of marine and freshwater environments. They capture prey using nematocysts (stinging cells) containing cnidoblasts and nematocysts. Polyp or Hydroid Medusa 7
  8. 8. Class Hydrozoa Obelia Feeding Polyp Obelia Reproductive Polyp Obelia Medusa 8
  9. 9. Class Hydrozoa Hydra Anatomy Hydra with bud 9
  10. 10. Class Scyphozoa True Jellys 10
  11. 11. Class Cubozoa Cube Jellies, Sea Wasp 11
  12. 12. Class Anthozoa Corals, Sea Anemone Coral Colony Polyps Sea Anemone 12
  13. 13. Phylum Platyhelminthes Flatworms 13
  14. 14. Class Turbellaria Free-living Flatworms 14
  15. 15. Class Trematoda Flukes (parasitic) P A Lateral o n s t t e e r r i i o o r r 15
  16. 16. Class Cestoda Tapeworms (parasitic) Tapeworm Scolex and immature proglottids Hooks Tapeworm Scolex Hooks Suckers Immature Proglottids 16

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