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- 1. Multiple ChoiceThe hard "skeleton" structures in a sponge are called...SponginSpiculesAmebocytesPinococytes
- 2. Multiple Choice
What kind of symmetry does a Cnidarian have?No SymmetryBilateral SymmetryRadial SymmetrySquare - 3. Multiple ChoiceWhat type of symmetry do sponges (Porifera) have?asymmetricalradialbilateralboth radial and asymmetrical
- 4. Multiple ChoiceWhat phylum has two different forms that exist which are called the medusa and the polyp?Phylum PoriferaPhylum CnidariaPhylum PlatyhelminthesKingdom Animalia
- 5. Multiple ChoiceWhich of the following is a correct description of the Cnidarian digestive tract?A complete digestive tract consisting of two openings.A complete digestive tract consisting of one openingAn incomplete digestive tract consisting of two openings.contains only a mouth and an internal cavity.
- 6. Multiple ChoiceWhich part of the sponge body is a large opening at the top of the central cavity through which water leaves the sponge?OstiaMeenchymeSpongecoelOsculum
- 7. Multiple ChoiceWhat kind of feeders are Cnidarians?autotrophicmostly carnivorous with some filter feedersomivoresonly filter feeders
- 8. Multiple ChoiceWhat phylum of invertebrates does the following picture belong?PlatyhelminthesCnidariaPoriferaMollusca
- 9. Multiple ChoiceWhat type of sponge does the following diagram belong?Leuconoid spongeSyconoid spongeAsconoid spongeSponge Bob type
- 10. Multiple ChoiceWhat phylum of invertebrates does the following picture belong?CnidariaPoriferaPlatyhelminthesAnimalia
- 11. Multiple ChoiceWhat group of Cnidarian does the following image belong?jellyfishcoralsea anemonehydrozoan
- 12. Multiple ChoiceThe structure of a sponge that attaches to the rocks and other substrate is called a/an ________________________?holdfastfalse footrootspicule
- 13. Multiple ChoiceTentacles contain cnidoblasts that hold/secrete coiled thread with an attached barb called a ...nematocystspiculeectodermspirocyst
- 14. Multiple ChoiceThe image represents a nematocysts which Cnidarians use to subdue their prey. What is the name of the specialized cell that secretes the nematocyst?cnidocystbarb capsulegastroblastnematocyst
- 15. Multiple ChoiceWhat phylum does this animal belong in the image?PlatyhelminthesCnidariaPoriferaPlantae
- 16. Multiple ChoiceInstead of a brain or central nervous system, jelly fish have what in place to help them respond to the environment.Stinging CellsNerve NetNematocystsChloroplast
- 17. Multiple ChoiceJellyfish can reproducesexually onlyasexually onlyboth sexually and asexuallyneither sexually or asexually
- 18. Multiple ChoiceWhat do organisms from the phylum Porifera eat?small marine fishplankton,bacteria, and detrituschoanocyteskrabby patties
- 19. Multiple ChoiceAbout how many species of Cnidaria are divided between 3 different classes?2,5001,00025,00010,000
- 20. Multiple ChoiceThe phyla Porifera and Cnidaria all have what method of respiration in order to obtain oxygen?diffusion through a membrane/body wallgas exchange through a lung type organellegas exchange through a specialized organdiffusion through the blood of a host
- 21. Multiple ChoiceWhat kingdom do invertebrates such as the Porifera and Cnidaria belong?PlantaeAnimaliaFungiPorifera
- 22. Multiple ChoiceSponges can reproduce asexually through a process called __________________.buddingregeneration onlyfusionamphiblastula
- 23. Multiple ChoiceA flexible, fibrous material that can make up the skeleton of a sponge?spiculespongingrass spongespongocoel
- 24. Multiple ChoiceWhat are some predators to the sponge population?sea turtlefishsea slug/nudibranchall of the above
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