Mollusk

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Mollusk Traits
Mollusk Groups
Annelid Traits
Annelid Traits
Category Soup
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A membrane that surrounds the internal organs
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Mantle
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While most are separate sexes, a few are this
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Hermaphrodites
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This type of symmetry is found in all mollusks
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Bilateral symmetry
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The toothed tongue found in some mollusks
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Radula
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The breathing apparatus of aquatic and marine
mollusks
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Gills
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This group includes the snails and slugs
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Gastropods
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This group includes the clams, oysters and
scallops
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Bilvalves
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This group includes the squid, octopus and
nautilus
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Cephalopods
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The only cephalopod with an external shell
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Nautilus
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The bivalve with many eyes and that swims
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Scallops
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The tube within a tube body plan refers to this
system
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Digestive tract
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This characteristic allows for more specialized
functions
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Segmentation
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Sensory organs are found on this end of the body
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Anterior (front)
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Segmented worms have this type of circulatory
system
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Closed
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Land annelids are usually hermaphroditesMarine
annelids are usually this
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Separate sexes
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The part of the digestive tract where food is
ground up
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Gizzard
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The number of aortic arches (hearts) in an
earthworm
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ten
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The class to which earthworms belong
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Oligochaeta
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The class to which leaches belong
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Hurudinea
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The members of the class polychaete
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Bristle worms
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Where bristleworms are found
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Ocean (marine environements)
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The structure in mollusks that grows the shell
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Mantle
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Organs that remove metablolic wastes from an
animals body
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Nephridia
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A system where blood move through vessels into
open spaces within the body
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Open circulatory system
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The animal that has setae
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Earthworm