Multiple choice Which of the following symmetry is found in adult sea-anemone? Radial Biradial Bilateral Spherical Reveal answer Fill a bubble to check yourself A Correct answer Explanation Sea anemone (Metridium) is a cylindrical and radially symmetrical animal which measures 5-7 cm. in length. It is usually brownish or yellowish in colour. Body of sea anemone is divided into oral disc, peadal disc and column.