Science Quiz / Animal Phyla

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Can you name the animal phyla?

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DescriptionPhylaAnimals in this Phyla
soft body, muscular foot, internal visceral mass; many have shells composed of calcium carbonateslugs, snails, clams, oysters, scallops, nautilus, squids, octopi
endoskeleton, WVS, ring canal around esophogus; five-fold radial symmetrysea urchins, sea lilies, sea stars
water-dwellers with asymmetric bodies and lack of distinctive tissuessponges
have two separate tissue layers and radial body symmetry; use nematocysts for capturing preyhydras, sea anemones, corals, and jellyfishes
most recently named phylum; related to marine phyla Entoprocta and EctoproctaSymbion pandora
characteristics include nephridia, blood vessels, and sometimes hermaphroditismsegmented worms, leeches, earthworms
most diversephylum; jointed legs, chitinous exoskeleton; segmentedinsects, centipedes, millipedes, arachnids, sea spiders, horseshoe crabs, shrimps, lobsters, crabs, crayfish, barnacles, pillbugs
pseudocoelomate; made of three tissue layers; include free-living and parasitic speciesroundworms, hookworms
bilateral symmetry; most are hermaphroditicflatworms, parasites (like tapeworm and flukes) and the planarians
pharyngeal gill slits, notochord, post-anal tail, dorsal hollow nerve cordsea squirts, lancelets, true vertebrates

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