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- 1. Multiple ChoiceWhat does the term echinoderm mean?tube feetstar shapedspiny skinstomach foot
- 2. Multiple ChoiceWhat type of symmetry do adult echinoderms exhibit?AsymmetryPentaradial symmetryBilateral symmetryTrilateral symmetry
- 3. Multiple ChoiceThe larva of echinoderms have _____ symmetry.AsymmetricalBilateralRadialNone
- 4. Multiple ChoiceEchinoderms have an internal skeleton and a system of fluid-filled tubes called a(n)...water vascular systemnervous systemnotochordampulla
- 5. Multiple ChoiceSea stars feed byInjecting poison that digests the preyEverting their stomach to digest preyChewing their prey with jaws and teethsqueezing their prey until it dies
- 6. Multiple ChoiceWhere does fertilization occur with sea stars?internalexternal
- 7. Multiple ChoiceWhat phylum do echinoderms belong to?CnidariaPorifieraEchinodermataChordata
- 8. Multiple ChoiceThe skeleton of echinoderms is made ofWaterCartilageCalciumsilica
- 9. Multiple ChoiceWhich is an example of an Asteroidea member?sea starsea cucumbersea urchinsand dollar
- 10. Multiple ChoiceWhich is an example of an Ophiuroidea member?basket starsea lilysea cucumbersea star
- 11. Multiple ChoiceWhich side of the sea star is the top side?aboral surfaceoral surface
- 12. Multiple ChoiceWhich of the following is the correct order for which water travels through the water vascular system?madreporite, stone canal, ring canal, radial canal, tube feetstone canal, madreporite, radial canal, ring canal, tube feettube feet, radial canal, ring canal, stone canal, madreporitemadreporite, radial canal, ring canal, stone canal, tube feet
- 13. Multiple Choice
What echinoderm is this?sea lilysea urchinsea cucumbersand dollar - 14. Multiple ChoiceWhat echinoderm is this?sand dollarsea urchinsea starbrittle star
- 15. Multiple ChoiceThe bulblike sac on the top of each tube foot is the _____ampullapedicellariaemadreporitenerve ring
- 16. Multiple ChoiceOrgan in starfish that can turn itself inside out when feedingpyloric stomachmadreporitecardiac stomachdigestive gland
- 17. Multiple ChoiceThe nerve that runs down each arm of a starfish is the _____nerve ringstone nerveradial nerveampulla
- 18. Multiple ChoiceWhich is an example of a Holothuroidea member?sea starsea cucumbersand dollarsea urchin
- 19. Multiple ChoiceWhich is an example of an Echinoidea member?sea starsand dollarsea cucumbersea lilies
- 20. Multiple Choiceall have radial symmetryunivalvebivalvehead-footedechinoderms
- 21. Multiple ChoiceWhat do starfish use to sense light?eyestubefeeteye spotsampulla
- 22. Multiple ChoiceSea stars often feed on...cnideriansspongescephalopodsBivalve mollusks
- 23. Multiple ChoiceOrgan in starfish that can turn itself inside out when feedingpyloric stomachmadreporitecardiac stomachdigestive gland
- 24. Multiple ChoiceWhat is B?MouthAnusMadreporiteTube foot
- 25. Multiple ChoiceWhich of the following is the opening of a sea star's water vascular system?stone canalmadreporitering canaltube feet
- 26. Multiple ChoiceHow do echinoderms excrete nitrogenous waste from their bodies?through diffusionthrough nephridiathrough respiratory treesthrough dermal gills
- 27. Multiple ChoiceBy what process will starfish regrow an arm torn off by a predator?Reconstructive meiosisRegenerationTissue regenesisMitotic restoration
- 28. Multiple ChoiceWhat type of skeleton do echinoderms have?ExoskeletonHydrostatic skeletonEndoskeletonMesenteric skeleton
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