1. intro sponges jellies anemones

610 views
520 views

Published on

0 Comments
0 Likes
Statistics
Notes
  • Be the first to comment

  • Be the first to like this

No Downloads
Views
Total views
610
On SlideShare
0
From Embeds
0
Number of Embeds
2
Actions
Shares
0
Downloads
12
Comments
0
Likes
0
Embeds 0
No embeds

No notes for slide

1. intro sponges jellies anemones

  1. 1. Between the Tides<br />
  2. 2. Schedule<br />January 11 Introduction, Sponges, Jellies and Anemones<br />January 18 Inter-tidal Pools – Harling Point / Trafalgar Park<br />0.3 M tide at 20:30<br />January 25 Flat Worms and Worms with Legs<br />
  3. 3.
  4. 4.
  5. 5. Schedule<br />February 1 Chitons, Limpets and Snails<br />February 8 Clams and Octopus<br />February 15 Inter-tidal Pools – Smugglers Cove. 0.5 M tide at 19:30<br />February 22 Animals that are moss like, clam like, worm like but are not<br />
  6. 6.
  7. 7. Schedule<br />March 1 Crabs of all kinds<br />March 8 Sea Stars, Sea Urchins and Sea Cucumbers<br />March 15 Inter-tidal Pools – Clover Point. 0.8 M tide at 19:00<br />
  8. 8.
  9. 9.
  10. 10. What to Bring Inter-tidalling<br />Rubber Boots<br />Wear warm clothes and bring an extra pair of socks just in case<br />Rain jacket and rain pants (if you have them). Some ski pants work well also<br />Hat and gloves<br />Flash light and head lamp (if you have one)<br />Bucket or pail with a lid (e.g. ice cream buckets with a handle)<br />Camera (but remember there is a good chance it may get wet)<br />
  11. 11.
  12. 12. The SpongesPhylum Porifera<br />
  13. 13. The Sponges: Phylum Porifera<br />e.g. Haliclona sp<br />Multicellular<br />No tissues<br />Sessile <br />Filter feeders<br />
  14. 14. The Sponges: Phylum Porifera<br />Characterized by their spicules<br />Calcium<br />Spongin<br />silica<br />
  15. 15.
  16. 16. The Sponges: Phylum PoriferaFilter Feeders<br />
  17. 17. The Sponges: Phylum Porifera<br />Sessile?<br />Not Always<br />Thanks to their symbiotic friend the Hermit crab <br />
  18. 18. The Sponges: Phylum Porifera<br />Sponges: defense<br />many sponges produce toxins and have bright warning colouration<br />some sponge toxins work against other sponges competing for space<br />
  19. 19. The Sponges: Phylum Porifera<br />
  20. 20. The Sponges: Phylum Porifera<br />Glass Sponge Reefs<br />
  21. 21. The Sponges: Phylum PoriferaOur Reefs<br />
  22. 22. Sea Anemone and JelliesPhylum Cnidaria<br />
  23. 23. Sea Anemone and JelliesPhylum Cnidaria<br />
  24. 24. Sea Anemone and Jellies - Phylum CnidariaClass Scyphozoa<br />
  25. 25. Sea Anemone and Jellies - Phylum CnidariaClass Scyphozoa<br />
  26. 26. Sea Anemone and Jellies - Phylum CnidariaClass ScyphozoaAlternations of Generations<br />
  27. 27. Sea Anemone and Jellies - Phylum Cnidaria Class Hydrozoa<br />
  28. 28. Sea Anemone and Jellies - Phylum Cnidaria Class Hydrozoa<br />
  29. 29. Sea Anemone and Jellies - Phylum Cnidaria<br />
  30. 30. Sea Anemone and Jellies - Phylum CnidariaClass Anthozoa<br />Jellies not present during their lifecycle<br />Have stinging cells called nematocysts<br />Carnivores<br />Can move on their pedal foot and some can swim. <br />Corals also found within this class<br />
  31. 31.
  32. 32. Anemone Reproduction<br />
  33. 33. Sea Anemone and Jellies - Phylum CnidariaClass AnthozoaSplitting Anemone<br />
  34. 34. Sea Anemone and Jellies - Phylum CnidariaClass AnthozoaSwimming Anemone<br />

×