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ArthropodsArachnidaInsecta &CrustaceaChrodatesChondrichthyesOsteichtyes$100$200$300$400$500$100$200$300$400$500$100$200$300$400$500$100$200$300$400$500$100$200$300$400$500$100$200$300$400$500HeadThoraxAbdomenArachnidaInsecta & CrustaceaChordatesChondrichthyesOsteichthyesWhat are the 3 main groups of Arachnids?How many pairs of legs do Arachnids have?How many legs do Millipedes have? Fangs with poison are called what?The class that Millipedes are in?What is the class that Centipedes are in?It is the study of Insects.What are the 3 body regions of Insects?What are 4 types of Crustaceans?What type of metamorphosis has the young resembling the adults?Stages of life include egg, larvae, pupae, adult?What are the two existing classes of Chordates?How many existing species of Chondrichthyes are there?The term Chondrichthyes means?The term Osteichthyes means?Are there bony fish in the sea?What are 3 types of cartilaginous fish?The largest sharks feed how?Why does a shark have to keep swimming?DailyDouble!!

What are the 3 lineages of Bony fishes?The organ in a fish that detects sound in the water?Which type of scale is made of bone?Lung fish are found where?What are the stages that bony fish passes through?Complete MetamorphosisLobsters, Crabs, Shrimp, & CrayfishIncomplete MetamorphosisChondrichthyesOsteichthyes810CartilaginousFishBony FishYesSharks,Skates, &RaysFilter FeedingSo it does not drown/die, water must be pushed over the gillsSharks teeth are thought to have evolved from what?ScalesRay-finnedLobe-finnedLung FishLateral LineGanoidMadagascar or AustraliaSkeleton into bone Development of a swim bladderAsymmetrical tail into a symmetrical tailGanoid scales into cycloid or ctenoid scalesLoss of spiracles and developed spines in fins and more efficient jaws.