Bio 106: Exam 3 notes

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Author:
vlmurph91
ID:
114673
Filename:
Bio 106: Exam 3 notes
Updated:
2011-11-05 16:24:13
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Classes Phylums
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Description:
Phylum Rotifera
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  1. Class Lophotrochozoans
  2. · Mostly freshwater organisms
    • · Very small, but structurally complex
    • · Mouth is surrounded by cilia which helps in swimming and food capture
    • · Bilaterally symmetrical
    • · Complete gut
    • · Pseudocoelomate-no membrane covering internal organs
    • · 3 cell layers
  3. Class Platyhelminthes
  4. · Flat Worm
    • · Three tissue layers
    • · Incomplete gut
    • · No circulatory system
    • · Acoelomate
    • · We will examine 3 classes in Playthelminthes
  5. Class Tubellaria
  6. · Free living carnivores
    • · Move bands of cilia
    • · Planaria
  7. Class Trematoda
  8. · Flukes
    • · Parasites
    • · Similar to Planarians but do not have eyespots
    • · Much of body is filled with reproductive organs hermaphroditic
  9. Class Cestoda
  10. · Tape Worms
    • · Parasites
    • · Often pass through several different hosts
    • · Hermaphrodites

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