1. Marine Invertebrates (Part 2)

2. Molluscs  Phylum Mollusca  Numerous, diverse (200,000 species)  Soft body covered by mantle (secretes calcium carbonate shell)  Muscular foot – locomotion  Some have radula – scraping teeth http://www.jaxshells.org/rad2.jpghttp://www.pirx.com/gallery/albums/mollusks/radula.jpg

3. Molluscs Classes:  Bivalvia (clams, mussels, oysters)  Gastropoda (snails, slugs, pteropods)  Cephalopoda (octopi, squid, cuttlefish)  Polyplacophora (chitons)  Scaphopoda (tusk shells)

4. Bivalves http://www.manandmollusc.net/lesson_plan_anatomy_files/bivalve_anatomy_lab.html http://www.nationalpark-hamburgisches-wattenmeer.de/1ueber/images/galerie/1-5-3Mya%20arenaria%20-%20Sandklaffmuschel-4x6-300dpi.jpg Anatomy

5. Bivalves http://upload.wikimedia.org/wikipedia/commons/thumb/3/31/Fine_sea_silk_threads.JPG/800px-Fine_sea_silk_threads.JPG http://upload.wikimedia.org/wikipedia/commons/thumb/b/bc/Mytilus_with_byssus.jpg/400px-Mytilus_with_byssus.jpg Byssal threads

6. Long Island Bivalves Stony Brook Univ.-Flax Pond Digital Library Ribbed mussel (Geukensia demissa) Oyster (Crassostrea virginica) Razor clam (Ensis directus)Blue mussel (Mytilus edulis) http://www.sportesport.it/images/Biology/Shells/Bivalvia/Mytilidae/mytilusEdulis.jpg Hard shell clam / Quahog (Mercenaria mercenaria) Soft shell clam (Mya arenaria) http://media-2.web.britannica.com//eb-media/63/12863-004-C2459C57.jpg Bay scallop (Argopecten irradians)

7. Bivalves http://www.lisrc.uconn.edu/lis_uwtour/images/Grass/LIS_0301.jpg

8. Gastropods http://earthguide.ucsd.edu/hughes2001/acct/bmounmanivong/T629043A.gif Anatomy

9. Long Island Gastropods http://www.georgetown.edu/faculty/szep/Littorina Periwinkle (Littorina littorea) Mud snail (Ilyanassa obsoleta) Slipper shell (Crepidula fornicata) http://academics.smcvt.edu/dfacey/AquaticBiology/Coastal%20Images/Slipper%20Limpet.jpg http://www.duke.edu/~jspippen/mollusca/knobbedwhelkeggs081106-2063obxz.jpg http://www.geo.hunter.cuny.edu/bight/images/aknobbed.jpg Knobbed whelk (Busycon carica)

10. Long Island Gastropods http://static.flickr.com/55/143533735_7c7364be45.jpg?v=0 Northern moon snail (Lunatia heros) Atlantic oyster drill (Urosalpinx cinerea) http://www.jaxshells.org/509j.jpghttp://img263.imageshack.us/img263/6879/drillholexi4.jpg http://4.bp.blogspot.com/_LzKM5z0wSb4/Rv9qstHEkNI/AAAAAAAAAbg/vVpitbx7suI/s400/IMG_1837.JPG

11. Gastropods http://eebweb.arizona.edu/collections/Fishes/Invertebrate%20Slide%20Photos/Invertebrate%20Photos/Abalone%201.jpg http://chemistry.csudh.edu/faculty/jim/cozaugo4-600/flamingo.jpg

12. Gastropods – Nudibranchs, Pteropods NOAA

13. Gastropods and Bivalves http://people.bu.edu/veliger/http://oceanlink.island.net/abaloneproject/growthanddevelopment/growth%20and%20development.htm http://score.dnr.sc.gov/ktmlpro10/images/uploads/oysterlifecycle.jpg?0.40941442132799155 Larval development

14. Cephalopods http://www.narimadiving.com/LargeAssets/ReefInfoLargeAssets/Cuttlefish.jpg NOAA Octopus, squid, cuttlefish, nautilus

15. Cephalopods http://cas.bellarmine.edu/tietjen/images/Image32.gif Anatomy http://scienceblogs.com/deepseanews/beak1.jpg

16. Cephalopods  Body evolved for active predation  Use funnel for jet propulsion http://www.squidblog.net/uploads/squid_jet_diagram.gifhttp://www.mbari.org/news/homepage/2004/loligo_close_350.jpg

17. Cephalopods  Complex nervous system:  Eyes  Chromatophores http://farm3.static.flickr.com/2164/2063362784_62cb783803.jpg?v=1196017772

18. Cephalopods http://www.mbl.edu/inside/what/news/features/feature_cuttlefish.html  Cuttlefish camouflage  Sees contrast (dark/light), but not colors  Patterns controlled by chromatophore cells

19. Cephalopods Reproduction –  Internal fertilization  Yolk-filled eggs, no larval stage http://www.mbari.org/news/homepage/2006/brooding-squid2-350.jpg http://news.bbc.co.uk/nol/shared/spl/hi/pop_ups/05/sci_nat_enl_1134642780/img/1.jpg

20.  Marine mammals & squid: http://www.wanghome.net/Pictures/2004/040603_New_York_City/15_museum_of_natural_history_squid_sperm_whale_1024.JPG http://squid.us/wp-content/uploads/archie.jpg Cephalopods

21.  Live giant and colossal squid: http://news.nationalgeographic.com/news/2006/12/images/061222-giant-squid.jpg Cephalopods http://www.fish.govt.nz/NR/rdonlyres/836B96BF-12FE-417D-AB49-4B46B2DB8729/0/ColossalSquid.jpg http://tepapa.files.wordpress.com/2008/04/arm-006.jpg http://museumvictoria.com.au/treasures/Images/resources/mn013596_lg.jpg Giant (up to 13m/43 ft) Colossal (up to 14m/46 ft) →

22.  Other deep water: Cephalopods http://www.mbari.org/data/info/grimpo.jpghttp://www.darkroastedblend.com/2009/02/awesome-octopi-cephalopods-from-outer.html

23.  Other unusual: Cephalopods http://www.darkroastedblend.com/2009/02/awesome-octopi-cephalopods-from-outer.html

24. Chitons, Scaphopods http://clade.acnatsci.org/mussel/graphics/about/scaphopod.jpg

25. Arthropods  Phylum Arthropoda  Numerous, diverse (1 million+ species)  Mostly insects (land, freshwater)  In oceans – mostly crustaceans

26. Arthropods  Segmented body  Jointed apendages  Hard external skeleton (chitin)  Must molt skeleton to grow  Gills, most marine have blood with hemocyanin (blue)

27. Arthropods  Subphylum Crustacea  Copepods, amphipods, isopods  Ostracods, barnacles  Krill, shrimp, lobsters, crabs  Subphylum Chelicerata  Horseshoe crabs, spiders  Subphylum Uniramia  Insects, Centipedes

28. Crustaceans

29. Small Crustaceans - Copepods http://www.whoi.edu/cms/images/oceanus/2006/7/8_27627.jpg http://www.hudsonregional.org/mosquito/images/copepod.jpg http://forum.mikroscopia.com/uploads/post-3-1158151927.jpg

30. Small Crustaceans - Amphipods http://www.oceanexplorer.noaa.gov/gallery/livingocean/livingocean.htmlhttp://www.newsday.com/media/photo/2004-01/11151650.jpg http://nathistoc.bio.uci.edu/crustacea/Amphipoda/AAA013a.jpghttp://www.beachwatchers.wsu.edu/ezidweb/animals/images/traskorchestia2jh.jpg

31. Small Crustaceans – Ostracods, Isopods http://www.oceanexplorer.noaa.gov/gallery/livingocean/livingocean.html http://nathistoc.bio.uci.edu/crustacea/Ostracoda/DSCF0052b.jpghttp://www.abc.net.au/science/news/img/environment/bigisopod.jpg

32. Small Crustaceans - Krill http://images.aad.gov.au/img.py/174a.jpg?width=640&height=480 http://www.mar-eco.no/learning-zone/__data/page/93/Krill3.jpghttp://jonbowermaster.com/blog/wp-content/uploads/2009/01/kaikoura-krill-520783-sw.jpg

33. Crustaceans – Barnacles http://www.mbari.org/expeditions/EasterMicroplate/images/Barnacles_640.jpg http://nathistoc.bio.uci.edu/crustacea/Cirripedia/DSC_0761b.jpg http://nathistoc.bio.uci.edu/crustacea/Cirripedia/DSCF0015a.jpg

34. Decapods – Shrimp http://www.dnr.sc.gov/marine/sertc/gallery.htmhttp://www.ucs.louisiana.edu/~rtb6933/shrimp/rima_con.JPG

35. Decapods – Lobsters http://www.vifishandwildlife.com/Education/FactSheet/Images/Lobster.jpghttp://marlin.bio.umass.edu/biology/kunkel/fish/albatross-iv/al0203/P0005812a.JPG http://www.teridanielsbooks.com/States/Hawaii/Hawaii,%20underwater,%20coral,%20reef,%20slipper,%20lobster,.jpg Northern lobster (Homarus americanus)

36. Decapods – Lobsters Newsday 08/08/10

37. Decapods – Crabs http://www.dnr.sc.gov/marine/sertc/gallery.htm http://www.ceh.ac.uk/sections/ed/images/Giantspidercrab.jpg http://www.californiabiota.com/cabiota/pacific_mole_crab.htm Blue crab (Callinectes sapidus) Mole crab (Emerita talpoida) Fiddler crab (Uca sp.)

38. Other Crustaceans http://www.wfu.edu/biology/faculty/brownera/artemia.jpg Brine shrimp Artemia (“sea monkeys”) Mantis shrimp (Stomatopod) http://www.ucmp.berkeley.edu/arthropoda/crustacea/malacostraca/eumalacostraca/royslist/images/g_falcatus4.jpg

39. http://www.divephotoguide.com/img/user_galleries/orig/2999_1222523836.jpg http://www.dfw.state.or.us/mrp/shellfish/commercial/largeimages/dungeness-with-eggs_ODFW.jpg Crustaceans  Egg brooding

40. Crustaceans  Most benthic adults have planktonic larvae http://www.dnr.sc.gov/marine/sertc/gallery.htm http://www.science-in-salamanca.tas.csiro.au/themes/larval/phyllosoma-early.htm

41. Chelicerates Horseshoe crab (Limulus polyphemus) http://www.jaxshells.org/1124rra.htm

42. Chelicerates http://www-tc.pbs.org/wnet/wp-content/blogs.dir/3/files/2008/06/590_crash_blood.jpg  Limulus Amebocyte Lysate (LAL)  Compound causes blood to clot when exposed to bacterial endotoxins  Used to test that drugs and surgical devices are free of contamination  Quart of blue blood worth $15,000, multimillion $$ industry

43. Chelicerates Sea spiders (Pycnogonids) http://www.dnr.sc.gov/marine/sertc/gallery.htmhttp://www.seaslugforum.net/images/030248a.jpghttp://www.earthlife.net/chelicerata/images/others/pantopoda.jpg