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MOUTH. . IS THIS THE ORAL OR ABORAL SURFACE OF THE SEA STAR?. . ORAL. . NAME THE SPINY STRUCTURES. . . ORAL SPINES. . . WHAT IS THEIR FUNCTION. . . FOOD PROCUREMENT. . . NAME THE STRUCTURE. . AMBULACRAL GROOVE. . WHAT IS IN THE AMBULACRAL GROOVES?. . TUBE FEET. . WHAT IS THEIR FUNCTION?. . LOCOMOTIO
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