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25 Cards in this Set
- Front
- Back
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Roundworms
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Unsegmented, cylindrical, and bilaterally symmetric
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Planula
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Free swimming larval form
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Cephalization
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Having a head region
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Scolex
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Knob shaped head
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Medusa
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Umbrella shaped motile stage of cnidarians
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Dugesia
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Scientific name for planarians
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Platyhelminthes
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Flatworm phylum
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Cilia
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Surrounds the mouth of a rotifer
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Ascaris
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Most common roundworm infection that can be fatal
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Asymmetrical
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Body symmetry of sponge
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Parthenogenesis
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Production of diploid eggs by a female that cannot be fertilized
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Turbellaria
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Class for Dugesia
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Pinworms
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Causes anal itching; in children
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Nematoda
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Roundworm phylum
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Cestoda
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Class that contains tapeworms
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Polyp
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Vase-shaped sessile stage of cnidarians
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Trematoda
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Class that contains flukes
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Percent of Rotifers living in freshwater
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90 percent
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These worms have one way digestive tracts
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Roundworms
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Most common human roundworm infection
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Ascaris
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Rotifers have a crown of what around their mouths
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Cilia
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Some species of Rotifers are
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Parthogenic
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Have soft, jelly-like bodies with a hollow central cavity
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Cnidarians
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What stage does the zygote go through once it's fertilized
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Blastula stage
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Common name of Trematoda
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Fluke
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