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        | Most molluscs are... (Monoecious/Dioecious) |  | Definition 
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        | Toungelike structure in molluscs |  | Definition 
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        | The structure that produces the shell in molluscs |  | Definition 
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        | Also called the mother-of-pearl layer in molluscs |  | Definition 
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        | Where does the calcium in molluscs come from? |  | Definition 
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        | When does the shell first appear in molluscs? |  | Definition 
 
        | During the larval period. |  | 
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        | Phylum called the "Segmented worms" |  | Definition 
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        | Earthworms and freshwater worms belong to class... |  | Definition 
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        | Leeches belong to class... |  | Definition 
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        | Most annelids are members of class... |  | Definition 
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        | Another word for metamerism |  | Definition 
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        | Each annelid segment is also called a... |  | Definition 
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        | Fleshy, paddle-like appendages called ______ are characteristic for polychaetes only. |  | Definition 
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        | Most annelids have bristles called ______ which may be long or short. |  | Definition 
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        | Symmetry in Annelids is _______ |  | Definition 
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        | Body plan in Annelids is ______ |  | Definition 
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        | Contraction of ________ body-wall muscles in annelids causes a segment to shorten and to become larger in diameter. |  | Definition 
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        | Contraction of ________ body-wall muscles in annelids causes a segment to lengthen and become smaller in diameter. |  | Definition 
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        | The body covering in annelids is a thin layer called the _____. It is produced by the underlying cellular layer called the ________. |  | Definition 
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        | Organisms in phylum _______ are commonly called the roundworms. |  | Definition 
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        | How does man become infected with Ascaris? |  | Definition 
 
        | Through ingestion of a life cycle stage. |  | 
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        | Common name for Enterobius? |  | Definition 
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        | What is the most common worm parasite? |  | Definition 
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        | Is man a dead-end in trichinella's life cycle? |  | Definition 
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        | What is the common name for Loa loa? |  | Definition 
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        | What causes elephantiasis? |  | Definition 
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        | The most common filarial worm in the United States is the Dirofilaria or _______ |  | Definition 
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        | Symmetry for Nematoda is _______ |  | Definition 
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        | Nematoda body plan is _____ |  | Definition 
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        | Class Monoplacophora is also known as... |  | Definition 
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        | Class Polyplacophora is also known as... |  | Definition 
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        | Class Scaphopoda is also known as... |  | Definition 
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        | Class Gastropoda is also known as... |  | Definition 
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        | Class Bivalvia is also known as... |  | Definition 
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        | The largest class in Phylum Mollusca is ________. |  | Definition 
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        | Texas state shell is the _______________. |  | Definition 
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        | Class Cephalopoda is also known as.... |  | Definition 
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