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6th Grade Science: Section 2.9-2.11

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Across
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A glossy shelled mollusk
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A freshwater invertebrate with tentacles around its mouth
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Cephalopod with 8 tentacles
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Invertebrate that enriches the soil with its castings
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The smallest possible animal that is made up of one single cell
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"head-foot"
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Cephalopod with 10 tentacles
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Surrounds the cell and protects it
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The smallest living unit in any living organism
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Small hairlike structures that keep water moving along the sides of a sponge
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Soft-bodied invertebrates that include clams, oysters, slugs, snails, squids, and octopuses
Down
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Located in the center of a cell and directs the work of the cell
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"stomach foot"
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A jellylike fluid that fills the cell
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Tissue that produces the shell of a mollusk
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A rigid or bumpy shelled mollusk
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Arms of a sea star
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Type of worm that includes leeches, tapeworms, and roundworms
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Threadlike structures that contain the instructions for running the cell
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Tiny organs that move around the cytoplasm and carry on essential processes of life
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A bow-shaped invertebrate with long stinging tentacles
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Cephalopod with 94 tentacles
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A one-shelled mollusk
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A mollusk with two matching fan-shaped shells that are joined together by a hinge
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A mollusk without a protective shell that lives on land