| http://www.w3.org/ns/prov#value | - large kelp forests that provide habitat and food for a number of other species, including fish and sea lions; the cell walls are composed of cellulose and algin, a gelatinous material that makes them feel slippery and slimy; algin is used commercially as a thickening agent in puddings, ice creams, and even cosmetics; includes a holdfast, stipe, flotation bladders, and blades ??? ??? ??? Holdfast
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