Bio 106: Exam 3

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Author:
vlmurph91
ID:
114678
Filename:
Bio 106: Exam 3
Updated:
2011-11-05 16:28:54
Tags:
Classes Phylums
Folders:

Description:
Phylum Annelida
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  1. Unknown
  2. · Segmented Worms
    • · Complete Gut
    • · Bilateral Symmetry
    • · Circulatory System
    • · Coelomate within segments-coelomate means that a membrane covers the organs in a secondary body cavity
  3. Class Oligochaeta
  4. · Earthworms and freshwater worms
    • · Have a chaetae but no parapodia
    • · Terrestrial and freshwater
    • · Hermaphrodites
  5. Class Hirudinea
  6. · Leeches
    • · External parasites of vertebrates
    • · Used in medicine to reduce swelling in reattached fingers, toes, and other body parts
    • · Hermaphrodites
  7. Class Polychaeta
  8. · Marine Worms
    • · Parapodia extend from segments
    • · Chaetae extend from each parapodium providing traction in movement
    • · Separate sexes

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