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November 17

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
        Help!  

Question
Answer
mollusk   invertebrates w/ soft, unsegmented bodies that are often protected by a shell.  
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open circulatory system   blood that is not always inside their blood vessels.  
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gills   organs that remove oxygen from the water.  
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gastropods   the largest group of mollusks  
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herbivores   animals that only eat plants  
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carnivores   animals that only eat meat.  
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radula   a flexible ribbon of tiny teeth.  
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bivalves   second largest group of mollusks  
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omnivores   animals that eat both plants and meats  
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cphalopods   octopuses and squids  
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