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Soft animals (polyps) without bony skeletons.
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What animal mostly has five arms growing from a central disk? This animal can open an oyster or hold onto a rock. |
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Branch-like or disk-like animals that form coral-reefs with hundreds of other corals. They build hard skeletons around themselves, like sea anemones do.
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What carries around a shell and lives on land, in a sea or lake? |
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Animals that have long spines (sometimes poisonous) with which they move around and dig into the mud or rocks, etc. Their mouths are on the underside of their bodies with five pointed teeth.
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Which animals are like fireflies, and have light-producing spots on their bodies that light up their dark surroundings, sometimes attracting prey? |
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