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90 questions
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- Q1Arthropoda meansjointed feetexoskeletonstomach foothead foot120s
- Q2When the exoskeleton of an arthropod is shed as the organism outgrows itmoltingmetamorphosisshedding120s
- Q3Which of the following is NOT an arthropod?barnaclesea starslobsterhorseshoe crab120s
- Q4Which fact is true about Echinoderms (Hint: Starfish are echinoderms)all of the aboveThey have radial symmetryEchinodermata means "hedgehog skin"They lack body segmentation120s
- Q5Which of the following is NOT an echinodermssea urchinstarfishsea cucumbersea biscuit120s
- Q6Starfish use their ________________ for locomotion and strong suction to hold them in placewater vascular sysstemtube feetarmsrays120s
- Q7A starfish's mouth is locatedon the underside of their bodiesthrough the small gills in their skinat the end of each armat the tube feet120s
- Q8True or False, starfish can regenerateTrueFalse120s
- Q9When a starfish eats, it does what?all of the aboveuses its tube feet and arms to capture prey and bring it in towards the mouth, and throws out its stomach to digest the fooduses tube feet to pry open shells, then throws its stomach out of its shell to digest the food, then brings it back into its bodyuses its strong arms to pry open shells, pulls out the meat, and pulls it into its stomach using its tube feet120s
- Q10Echinoderms (ex: starfish) have tube feet that are....long cilia located on the opening of the gillshydrolically poweredround, muscular structures located on the top of the body120s
- Q11Clams arebivalvesgastropods120s
- Q12A clam's two shells are held together bytheir footcilliaabductor musclestheir mantle120s
- Q13Clams are filter feeders that feed mostly onplanktonkrillbacteriaalgae120s
- Q14How do clams reproduce?They require both males and females to reproducebothThey can reproduce asexually by budding120s
- Q15True or false; clams stay in the same place for much of their lives, never moving around.truefalse120s
