1. Between the Tides

2. The Sponges: Phylum Porifera e.g. Haliclona sp Multicellular No tissues Sessile Filter feeders

3. The Sponges: Phylum Porifera Characterized by their spicules Calcium Spongin silica

5. The Sponges: Phylum PoriferaFilter Feeders

6. The Sponges: Phylum Porifera Sessile? Not Always Thanks to their symbiotic friend the Hermit crab

7. The Sponges: Phylum Porifera Sponges: defense many sponges produce toxins and have bright warning colouration some sponge toxins work against other sponges competing for space

8. The Sponges: Phylum Porifera

9. The Sponges: Phylum Porifera Glass Sponge Reefs

10. The Sponges: Phylum PoriferaOur Reefs

11. Sea Anemone and JelliesPhylum Cnidaria

12. Sea Anemone and JelliesPhylum Cnidaria

13. Sea Anemone and Jellies - Phylum CnidariaClass Scyphozoa

14. Sea Anemone and Jellies - Phylum CnidariaClass Scyphozoa

15. Sea Anemone and Jellies - Phylum CnidariaClass ScyphozoaAlternations of Generations

16. Sea Anemone and Jellies - Phylum Cnidaria Class Hydrozoa

17. Sea Anemone and Jellies - Phylum Cnidaria Class Hydrozoa

18. Sea Anemone and Jellies - Phylum Cnidaria

19. Sea Anemone and Jellies - Phylum CnidariaClass Anthozoa Jellies not present during their lifecycle Have stinging cells called nematocysts Carnivores Can move on their pedal foot and some can swim. Corals also found within this class

21. Anemone Reproduction

22. Sea Anemone and Jellies - Phylum CnidariaClass AnthozoaSplitting Anemone

23. Sea Anemone and Jellies - Phylum CnidariaClass AnthozoaSwimming Anemone

24. Sea Anemone and Jellies - Phylum CnidariaClass Anthozoa

25. FlatwormsPhylum Platyhelminthes

26. FlatwormsPhylum Platyhelminthes Bilaterally symetrical Dorsoventrally flattened Very motile Digestive system with a mouth but no anus No circulatory system Do have an excretory system Cephalization

27. FlatwormsPhylum Platyhelminthes

28. FlatwormsPhylum PlatyhelminthesSwimming

29. FlatwormsPhylum PlatyhelminthesHermaphroditic

30. FlatwormsPhylum PlatyhelminthesRegenerative

31. Ribbon Worms – Phylum Nemertea

32. Ribbon Worms – Phylum Nemertea Bilateral Movement via mucus, cilia and muscles Carnivores Mouth and anus Circulatory and excretory system

33. Ribbon Worms – Phylum Nemertea Unusual Characteristic Muscular eversible proboscis Rynchocoel

34. Ribbon Worms – Phylum Nemertea

35. Ribbon Worms – Phylum Nemertea

36. Ribbon Worms – Phylum NemerteaProboscis

37. Worms with LegsPhylum Annelida

38. Worms with Legs - Phylum AnnelidaNereissp. Phylum also includes earth worms and leeches Segmented bodies and organs Motile or sessile Carnivores with jaws Epitoky

39. Worms with Legs - Phylum Annelida

40. Worms with Legs - Phylum AnnelidaClass Polychaeta

41. Worms with Legs - Phylum AnnelidaClass Polychaeta

42. Worms with Legs - Phylum Annelida Class Polychaeta

43. Worms with Legs - Phylum AnnelidaEudistyliavancouverii

44. Worms with Legs - Phylum AnnelidaEpitoky

45. Worms with Legs - Phylum AnnelidaEpitoky

46. Worms with Legs - Phylum AnnelidaScale worms - free living and symbiotic

47. Phylum Mollusca Almost all have the following in common: Mantle Foot radula

48. Whelks, Nudibranchs and Limpets collectively known as Gastropods

49. Nucella sp. 90 – 180 o Torsion Shells smooth or fringed (in sheltered waters) Some may develop fringe in the presence of predators Drill and feed on barnacles

50. Archidoris sp.

51. Rostanga and Aeolidia Lost torsion and shell during development Feed on sponges and anemones Incorporate spicules or nematocysts for defense

52. Tectura sp Shell torsion lost during development Algae grazers Very territorial with other limpets

53. Chitons also called Polyplacophora

54. Mopalia sp. 8 shell plates Bound by a leather girdle so that they can roll up into a ball Graze on algae No eyes or tentacles but have light sensors built in their shell

55. Katharina sp.

56. Phylum Arthropoda More than 900,000 known species Marine, fresh water, terrestrial and airborne Temperature extremes Have an exoskeleton Jointed appendages molt

57. Pycnogonid – sea spider Body not divided into distinct regions Very slow moving Appendages at the head which are used to groom the opposite sex’s legs and are used by the males to carry fertilized eggs

58. Isopods, Amphipods, Shrimp and Crabs collectively known as Crustaceans

59. Sea StarPhylum Echinodermata Penta radial An endo skeleton made up of Calcareous ossicles Tube feet Connective tissue is mutable meaning it can rapidly change from stiff to fluid.

60. Sea StarPhylum Echinodermata Penta radial An endo skeleton made up of Calcareous ossicles Tube feet Connective tissue is mutable meaning it can rapidly change from stiff to fluid.