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Digital Zoology Version 2.0, 2/e
Jon Houseman, University of Ottawa

Echinodermata

Answers to Workbook Self-Tests

Echinodermata Self-Test Solution (p. 110)

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Specimens

A- Sea star
B- Sea cucumber
C- Sea urchin

Labels
  1. Aboral intestine
  2. Ambulacral ridge
  3. Aristotle's lantern
  4. Ascending intestine
  5. Auricle
  6. Cloaca
  7. Cloacal dilators
  8. Compass
  9. Dental sac
  10. Descending intestine
  11. Epiphysis
  1. Esophagus
  2. Gonad
  3. Introvert retractor
  4. Lantern protractors
  5. Lantern retractors
  6. Oral intestine
  7. Polian vesicle
  8. Pyloric cecum
  9. Pyloric duct
  10. Respiratory tree