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6. How many species are in the Subclass: Octacorallaria (‘soft corals’)

  • 623
  • 782
  • 3000
  • 42000

7. How many orders are there in the subclass Hexacorallaria

  • 4
  • 6
  • 10
  • 24

8. How many species are there in the Order: Scleractina- stony corals

  • 1500
  • 6200
  • 550
  • 492

9. What order do these organisms belong to: sea anemone & corals

  • Scleractina
  • Ceriantharia
  • Actiniaria
  • Crallimorpharia

10. Tropical coral reefs: located within ? C isotherm

  • 15
  • 20
  • 42
  • 30

11. what are the size ranges for organisms in the class Scyphozoa

  • 11 mm - 4 m
  • 10 mm - 3 m
  • 12 mm - 2 m
  • 5 mm - 1 m

12. How many species are there in the order Actiniaria

  • 1,954
  • 400
  • 900
  • 2,000

13. How many species are in the class cubozoa

  • 34
  • 150
  • 20
  • 300

14. How many species are in the class hydrozoa

  • 3,000
  • 5,000
  • 600
  • 550

15. What order do these organisms belong to: No common name

  • Ceriantharia
  • Crallimorpharia
  • Scleractina
  • Actiniaria

16. What order do these organisms belong to: Stony/hard corals

  • Scleractina
  • Ceriantharia
  • Crallimorpharia
  • Actiniaria

17. how many species are in the class Scyphozoa

  • 200
  • 300
  • 556
  • 1,500

18. What order do these organisms belong to: No Common name

  • Crallimorpharia
  • Scleractina
  • Actiniaria
  • Ceriantharia

19. how many speices is in Order: Antipatharia – black corals

  • 150
  • 650
  • 400
  • 222

20. What order do these organisms belong to: no common name

  • Scleractina
  • zoantharian
  • Antipatharia
  • Ceriantharia