starfish dissection

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STARFISH DISSECTION. http://www.emerchandise.com/images/p/SBS/pdPASBS0005.jpg. Kidspiration by Riedell. SYMMETRY. ADULTS- Radial LARVA- Bilateral. http://www.uic.edu/classes/bios/bios100/labs/radial.jpg. STARFISH. LATIN meaning KINGDOM _____________ - PowerPoint PPT Presentation

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  • STARFISH DISSECTIONhttp://www.emerchandise.com/images/p/SBS/pdPASBS0005.jpg

  • Kidspiration by Riedell

  • SYMMETRYADULTS- Radial

    LARVA- Bilateralhttp://www.uic.edu/classes/bios/bios100/labs/radial.jpg

  • STARFISH LATIN meaningKINGDOM _____________

    PHYLUM _____________________________

    CLASS _______________________________ANIMALIAECHINODERMATA spiny skinASTEROIDEA star-like

  • SPINES PEDICELLARIA SKIN GILLSImage by Riedell

  • SPINY SKINSPINES for protection connect to ENDOSKELETON inside underneath skinhttp://wwwbio200.nsm.buffalo.edu/labs/tutor/Starfish

  • OSSICLESCalcium carbonate plates form endoskeleton insidehttp://ebiomedia.com/prod/BOechinoderms.html

  • SPINES PEDICELLARIA SKIN GILLSImage by Riedell

  • PEDICELLARIAE(sing. Pedicellaria)Keep surface clear of organisms

  • SKIN GILLS Hollow skin tubes that project from skin for increased surface area connect to coelom insideImage by Riedell

  • Skin gills between spinesEXCHANGE GASES and EXCRETE NITROGEN WASTEhttp://wwwbio200.nsm.buffalo.edu/labs/tutor/Starfish

  • TUBE FEET surfaceshttp://wwwbio200.nsm.buffalo.edu/labs/tutor/Starfish

  • EYESPOTSSense light/dark

  • ORAL VIEWhttp://wwwbio200.nsm.buffalo.edu/labs/tutor/Starfish

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

  • http://ebiomedia.com/gall/skin/skin1.htmlOpening to water vascular systemMadreporite

  • WATER VASCULAR SYSTEMBIODIDAC

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

  • AMBULACRAL GROOVETUBE FEET sit in GROOVE

  • TUBE FEETUsed for feeding & locomotion

  • CUT TRIVIUM

  • DIGESTIVE GLANDMakes BILEABSORBS NUTRIENTS

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

  • 2 part STOMACH

  • DIGESTIVE SYSTEMDIGESTIVEGLANDSDIGESTIVEGLANDSMOUTHANUS

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

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

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

  • AMBULACRAL RIDGE

  • OSSICLESCalcium carbonate plates form endoskeleton insidehttp://ebiomedia.com/prod/BOechinoderms.html

  • GONADS

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

  • NERVOUS SYSTEMNERVE RING encircles mouthRADIAL NERVES run inside AMBULACRAL RIDGE in each arm

  • SEPARATE SEXESGONADS- reproductive organs Starfish have both SEXUAL ASEXUAL (Regeneration)

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

  • DIGESTIVEGLANDGONADOSSICLES

  • LARVAFERTILIZATIONEXTERNALINDIRECTHas BILATERAL SYMMETRY and wings to swimBIPINNARIA DEVELOPMENTSEXUAL REPRODUCTION

  • ASEXUAL REPRODUCTION Ability to self amputateAbility to regrow lost parts AUTOTOMYREGENERATION