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12 Cards in this Set
- Front
- Back
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madreporite
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sieve-like plate on the starfish skin through which water enters
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tube feet
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fluid-filled tubes that aid the starfish in movement
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gills
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organs used to extract oxygen from water
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pedicellariae
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pincer-like structures of a starfish that aid in cleaning
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chitin
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protein substance that makes up the exoskeleton of arthopods
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appendage
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any structure such as an arm or leg that sticks out from the body
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nymph
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young stage of grasshopper
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pupa
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cocoon stage of insect where it changes into an adult
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larva
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young stage of an animal that does not resemble the adult
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metamorphosis
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change in body form from egg to adult
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mantle
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membrane of mollusks that secretes the shell and protects inner organs
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ovipositor
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egg laying device of some insects
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