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STARFISH DISSECTION

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Presentation on theme: "STARFISH DISSECTION"— Presentation transcript:

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

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

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

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

5 TUBE FEET surfaces Can exchange gases and excrete nitrogen waste http://wwwbio200.nsm.buffalo.edu/labs/tutor/Starfish

6 EYESPOTS Sense light/dark

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

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

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

10

11 WATER VASCULAR SYSTEM BIODIDAC

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

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

14

15 AMBULACRAL GROOVE TUBE FEET sit in GROOVE

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

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

18 CUT TRIVIUM

19 DIGESTIVE GLAND Makes BILE ABSORBS NUTRIENTS

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

21 2 part STOMACH

22 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

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

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

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

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

27 WATER VASCULAR SYSTEM BIODIDAC

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

29 GONADS

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

31 AMBULACRAL RIDGE AMPULLAE (tops of tube feet)

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

33 DIGESTIVE GLAND GONAD OSSICLES

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