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Review of Animal Phylogeny

Review of Animal Phylogeny. Sponges. Anatomy of a Sponge. Polyp and Medusa Forms of Cnidarians. Jelly Medusa. A Cnidocyte of a Hydra. Cnidarians : Hydrozoans (top left), jelly (top right), sea anemone (bottom left), coral polyps (bottom right). Purple striped jelly, Pelagia panopyra.

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Review of Animal Phylogeny

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  1. Review of Animal Phylogeny

  2. Sponges

  3. Anatomy of a Sponge

  4. Polyp and Medusa Forms of Cnidarians

  5. Jelly Medusa

  6. A Cnidocyte of a Hydra

  7. Cnidarians: Hydrozoans (top left), jelly (top right), sea anemone (bottom left), coral polyps (bottom right)

  8. Purple striped jelly, Pelagia panopyra

  9. Coral Polyps

  10. The Life Cycle of the HydrozoanObelia

  11. Ctenophore

  12. Classes of Phylum Platyhelminthes

  13. A Flatworm

  14. Anatomy of a Planarian

  15. The Life History of a Blood Fluke, Schistosoma mansoni

  16. Anatomy of a Tapeworm

  17. Basic Body Plan of Mollusks

  18. Major Classes of Phylum Mollusca

  19. Chiton

  20. The Results of Torsion in a Gastropod

  21. Garden Snail

  22. Gastropods: Nudibranchs (top left and top right), terrestrial snail (bottom left), deer cowrie (bottom right)

  23. A Bivalve: Scallop

  24. Anatomy of a Clam

  25. Cephalopods: Squid (top left and bottom left), nautilus (top right), octopus (bottom right)

  26. Anatomy of an Earthworm

  27. External Anatomy of an Earthworm Clitellum

  28. Annelids, the segmented worms: Polychaete (left), feather-duster worm (middle), leech (right)

  29. Christmas-Tree Worms

  30. Nematode, C. elegans

  31. Parasite nematode, Trichinella spiralis

  32. External Anatomy of an Arthropod

  33. A Trilobite Fossil

  34. Horseshoe Crabs, Limulus polyphemus

  35. Arachnids: Scorpion (left), honeybee air tube filled with parasitic mites (right)

  36. Spider Anatomy

  37. Lycosid Spider: Female With Offspring

  38. Class Diplopoda (millipedes)

  39. Insect flight, Dragonfly

  40. Anatomy of a Grasshopper, an Insect

  41. Insecta: Beetle

  42. Metamorphosis of a Butterfly Larva Pupa Emerging Adult Adult

  43. Crustaceans: Lobster (top left), banded coral shrimp (bottom left), barnacles

  44. Ochre sea stars, Pisaster ochraceus

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