Echinoderm Practice Quiz

ECHINODERM PRACTICE TEST1. Echinoderms are _________________.Invertebrate protostomesInvertebrate deuterostomesVertebrate deuterostomes2. This echinoderm larva is called a _____________________.3. Name 3 characteristics found in ALL echinoderms.4. Type of symmetry in an adult seastar.asymmetry radial symmetry bilateral symmetry5.The ability seen in brittle stars and some sea stars to "self amputate" or drop body parts onpurpose is called _______________.6. The ring canal, stone canal, radial canals, and madreporite are all parts of the_________________ system.Image by Riedell7. Name the pincherlike structures(shown at the left in the diagram)on the surface of seastars.8. Give a function for these.9. All echinoderms are MARINE. Tell what that means.10. Echinoderms remove their nitrogen waste through the ___________________.anus skin gills surface of tube feet madreporite11. Which part of a starfish's stomach is extruded out through its mouth to eat?12. Give a function of the digestive gland (pyloric caeca) in a starfish.13. Echinoderms are the only invertebrates besides the sea squirts whose blastopore becomes its_________.mouth anus15. Name one of the structures found inside the ambulacral groove or ridge.16. Name these calcium carbonate plates used to form theendoskeleton in a starfish.Image from: http://ebiomedia.com/prod/BOechinoderms.html17. The Latin meaning of the term ECHINODERM is _____________________.18. Starfish have ______________ fertilization and ___________ development.external/internaldirect/indirect19. The madreporite and anus are located on a starfish's _________ surface.20. TRUE OR FALSEStarfish have cephalization.21. Give Kingdom, Phylum, and Class for feather stars.22. What do the typhlosole in earthworms, gill ridges in clams, and skin gills in starfish ALL have incommon?23. The general word that refers to reproductive organs is __________________.

24. Name all the partsImage modified from BIODIDAC25. Name the groove on the oral surface that holds the tube feet.26. Name the special type of radial symmetry seen in 5 armed starfish.27. Starfish have _____________ circulation.OPEN CLOSED28. Starfish use _________________ reproductionASEXUAL SEXUAL29. Part of a starfish's stomach that connects to the digestive glands and anus.CHECK ANSWERSANSWERS1. Invertebrate deuterostomes2. Dipleurula3. ONLY (true) invertebrate deuterostomesspiny skinmarinedipleurula larvaendoskeleton of ossiclesWater vascular system with tube feetRadial symmetry as adults4. radial symmetry5. autotomy6, water vascular system7. pedicellariae8. keep surface clear9. live in salt water (oceans)10. skin gills and surface of tube feet11. cardiac12. make bile, finish digestion, absorbnutrients13. anus15. radial nerve OR radial canal16. ossicles17. spiny skin18. external fertilization & indirectdevelopment19. aboral20. FALSE; NO Cephalization21. Kingdom: AnimaliaPhylum:Echinodermata Class: Crinoidea22. ALL increase surface area23. gonads24. A.) Madreporite B. Stone canal C. Ringcanal D. Radial Canal E. Ampullae F. Tube feet(podia)25. ambulacral26. pentaradial27. open28. BOTH asexual and sexual29. pyloric