wheels or similar propulsion methods
... that no multicellular organisms have ever evolved wheels or similar propulsion methods, although the Pleuroptya ruralis caterpillar can roll and a species of mantis shrimp performs somersaults?
... that no <a href="./Multicellular_organism" id="mwFyk" rel="mw:WikiLink" title="Multicellular organism">multicellular organisms</a> have ever evolved <b id="mwFyo"><a class="mw-redirect" href="./Rotation_in_living_systems" id="mwFys" rel="mw:WikiLink" title="Rotation in living systems">wheels or similar propulsion methods</a></b>, although the <i id="mwFyw"><a class="mw-redirect" href="./Pleuroptya_ruralis" id="mwFy0" rel="mw:WikiLink" title="Pleuroptya ruralis">Pleuroptya ruralis</a></i> <a href="./Caterpillar" id="mwFy4" rel="mw:WikiLink" title="Caterpillar">caterpillar</a> can roll and a species of <a href="./Mantis_shrimp" id="mwFy8" rel="mw:WikiLink" title="Mantis shrimp">mantis shrimp</a> performs somersaults?