LAB: Echinoderms Flashcards Preview

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Flashcards in LAB: Echinoderms Deck (6)
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1

​Echinoderms

  • coelomate deuterostomes
  • exhibit bilateral symmetry as larvae
    • Pentaradial symmetry as adults
  • Have endoskeleton, gives spiny look
  • Regenerate lost body parts

2

Phylum

Echinodermata

3

Sea Urchins

  • have pronounced spines

4

Sand Dollars

  • lack elongated spines
  • have velvety appearance, due to tube feet

5

Sea Cucumbers

  • Can  eviscerate when disturbed

6

SEA STAR ANATOMY