Flashcard Set Preview
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Acicula
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Support rods, composed of chitin, found in the parapodia of polychaeta (phylum: annelida)
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Acoels
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Without a body cavity, e.g. flatworms (Platyhelminthes).
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Benthic
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Found in the bottom layer, especially in marine environments.
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Bilateria
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Animals having bilaterial symmetry; most have a complete digestive tract with a mouth and anus.
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Cercaria
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Free living fluke (flatworm) larvae. It develops within an intermediate host (snail) before...
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Cestoda
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The class of parasitic flatworms (Platyhelmenths) which includes tapeworms. Characterized by...
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Chaetae (setae)
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Stiff bristles of chitin, found especially in annelids.
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Clitellata
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A class of annelids who have a reproductive structure called a clitellum (no giggling). It...
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cysticercus
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A tapeworm larva encased in a cyst made from a detached scolex and generally found in the muscle...
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Ecdysozoa
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Animals that shed their exoskeleton.This includes Nematoda and Arthropoda
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Echiura
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Spoon worms. Often considered annelids, but they lack segmentation.
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Epitoky
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A form of reproduction in polychaetes. The worm undergoes partial or complete transformation....
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Eutely
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An organism with a fixed number of cells (such as nematodes)
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Filariasis
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A parasitic disease caused by a nematode transmitted by mosquitoes. Causes elephantitis.
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Flame cell
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A component of the simple excretory system of many inverts. They are cilliated and connected...
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Hirudinea
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Leeches, a class of annelids
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Hydatid cyst
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The fluid-filled cyst where some tapeworm embryos mature within their host.
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