A polyp is a sessile, tubular [[cnidarian]] with a mouth and tentacles at one end and a [[basal disk]] at the other.<ref>Wile, Dr. Jay L. ''Exploring Creation With Biology''. Apologia | A polyp is a sessile, tubular [[cnidarian]] with a mouth and tentacles at one end and a [[basal disk]] at the other.<ref>Wile, Dr. Jay L. ''Exploring Creation With Biology''. Apologia |