1. STARFISH DISSECTION http://www.emerchandise.com/images/p/SBS/pdPASBS0005.jpg

2. Kidspiration by Riedell

3. STARFISH LATIN meaning KINGDOM _____________ PHYLUM _____________________________ CLASS _______________________________ ANIMALIA ECHINODERMATA “spiny skin ” ASTEROIDEA “star-like”

4. SYMMETRY ADULTS- Radial LARVA- Bilateral http://www.uic.edu/classes/bios/bios100/labs/radial.jpg

5. PENTARADIAL (5 armed starfish) http://www.seashells.org/identcatagories/starfish.htm

6. ORAL VIEW http://wwwbio200.nsm.buffalo.edu/labs/tutor/Starfish/Starfish02D.html

7. http://wwwbio200.nsm.buffalo.edu/labs/tutor/Starfish

8. SPINY SKIN SPINES for protection connect to ENDOSKELETON inside underneath skin http://wwwbio200.nsm.buffalo.edu/labs/tutor/Starfish

9. OSSICLES Calcium carbonate plates form endoskeleton inside http://ebiomedia.com/prod/BOechinoderms.html

10. Skin gills between spines EXCHANGE GASES and EXCRETE NITROGEN WASTE http://wwwbio200.nsm.buffalo.edu/labs/tutor/Starfish

11. EYESPOTS Sense light/dark

12. http://ebiomedia.com/gall/skin/skin1.html Opening to water vascular system Madreporite

14. WATER VASCULAR SYSTEM BIODIDAC

15. http://mbgnet.mobot.org/salt/animals/star.jpg

16. ORAL VIEW http://wwwbio200.nsm.buffalo.edu/labs/tutor/Starfish/Starfish02D.html MOUTH

18. AMBULACRAL GROOVE TUBE FEET sit in GROOVE

19. TUBE FEET Used for feeding & locomotion http://www.scsc.k12.ar.us/2001Outwest/PacificNaturalHistory/Projects/ReynoldsJ/starfish.jpg

20. TUBE FEET Used for feeding & locomotion Can exchange gases and excrete nitrogen waste http://wwwbio200.nsm.buffalo.edu/labs/tutor/Starfish

21. DIGESTIVE GLAND Makes BILE ABSORBS NUTRIENTS

22. http://www.k-state.edu/organismic/echinoderms_and_protochordates.htm

23. 2 part STOMACH

24. DIGESTIVE SYSTEM DIGESTIVE GLANDS DIGESTIVE GLANDS MOUTH ANUS Image by Riedell

25. CARDIAC stomach connects to mouth (extruded during feeding) PYLORIC stomach connects to digestive glands and ANUS http://www.k-state.edu/organismic/echinoderms_and_protochordates.htm

26. EUCOELOM OPEN CIRCULATION http://faculty.baruch.cuny.edu/jwahlert/bio1003/echinoderm.html

27. ENDOSKELETON made of OSSICLES http://www.esu.edu/~milewski/intro_biol_two/lab__13_echinoderm/starfish_endoskeleton.html

28. OSSICLES Calcium carbonate plates form endoskeleton inside http://ebiomedia.com/prod/BOechinoderms.html

29. http://wwwbio200.nsm.buffalo.edu/labs/tutor/Starfish/

30. WATER VASCULAR SYSTEM BIODIDAC

31. http://www.k-state.edu/organismic/echinoderms_and_protochordates.htm

32. GONADS

33. AMBULACRAL RIDGE covered by OSSICLES contains RADIAL NERVE (nervous) RADIAL CANAL (water vascular system) http://wwwbio200.nsm.buffalo.edu/labs/tutor/Starfish/

34. AMBULACRAL RIDGE AMPULLAE (tops of tube feet)

35. NERVOUS SYSTEM follows WVS NERVE RING encircles mouth RADIAL NERVES run inside AMBULACRAL RIDGE in each arm Image by Riedell

36. SEPARATE SEXES GONADS- reproductive organs Starfish have both SEXUAL ASEXUAL (Regeneration)

37. http://www.k-state.edu/organismic/echinoderms_and_protochordates.htm

38. DIGESTIVE GLAND GONAD OSSICLES

39. LARVA FERTILIZATION EXTERNAL INDIRECT Has BILATERAL SYMMETRY and wings to swim BIPINNARIA SEXUAL REPRODUCTION DEVELOPMENT

40. ASEXUAL REPRODUCTION Ability to self amputate Ability to regrow lost parts AUTOTOMY REGENERATION http://users.rcn.com/jkimball.ma.ultranet/BiologyPages/R/Regeneration.html